Showing posts with label aging. Show all posts
Showing posts with label aging. Show all posts

Wednesday, July 16, 2008

Eye Test Could Spot Diabetes Vision Trouble Early

(HealthDay News) -- A new testing device may give doctors early warning of eye disease, especially vision trouble linked to diabetes, researchers say.

The device is able to capture images of the eye that reveal metabolic stress and tissue damage, even before the first signs and symptoms of disease appear, says a team at the University of Michigan. The technology measures a phenomenon called flavoprotein autofluorescence (FA), which is thought to be a reliable indicator of eye trouble.

"The concept behind measuring FA in the retina is to determine whether there's a metabolic dysfunction in the retinal tissue," explained lead researcher Dr. Victor M. Elner, a professor in the University's Department of Ophthalmology and Visual Sciences.

"Our objective in performing this study was to determine whether we could detect abnormal metabolism in the retina of patients who otherwise would remain undiagnosed based on clinical examination alone," Elner added.

The report is published in the July issue of the Archives of Ophthalmology.

In the study, Elner's team measured FA levels in 21 people with diabetes and compared those results with data from people who did not have the disease.

People with diabetes had significantly higher levels of FA compared with nondiabetics, the researchers report. "The diabetics demonstrated consistently abnormal metabolism when compared to the control individuals without disease," Elner said.

His group also measured FA levels in patients with and without diabetic retinopathy. Diabetic retinopathy, which can eventually lead to blindness, is a common complication of diabetes.

"Patients with retinopathy had significantly more abnormality to their readings than patients without retinopathy," Elner said. "This indicated that we can actually use the method to monitor the severity of the disease."

There are a number of advantages to FA testing, Elner said.

"FA testing is less invasive, rapid and gives a test result within five minutes," Elner said. "It compliments glucose tolerance testing in that it actually tells us about tissue dysfunction in the retina, which is indicative of how the whole body is doing."

In addition, because of its rapid, noninvasive nature, the new test can be used to screen patients at risk for a variety of different diseases, Elner said. "Diabetes is the best example of that because of the prevalence of the disease in our population. But the technique is also capable of screening other diseases such as glaucoma or age-related macular degeneration," he added.

Elner has a financial interest in this technology, and started a company to make it commercially available.

There are some 24 million Americans with diabetes and 57 million more who have pre-diabetes, according to the U.S. Centers for Disease Control and Prevention. In addition, 4.1 million people over 40 suffer from diabetic retinopathy.

More information
For more information on diabetes, visit the National Institute of Diabetes and Digestive and Kidney Diseases.

Friday, May 30, 2008

Active Social Life Helps Keep Aging Mind Sharp

(HealthDay News) -- People who keep up active social lives as they age may be doing their brain a favor, a new study finds.

Being socially active may increase feelings of self-worth and emotional validation that could end up helping maintain memory, researchers say. Social interaction may also present older minds with new challenges, keeping the brain more agile.

"We assessed social integration by marital status, volunteer activities and frequency of contact with children and neighbors," explained lead researcher Karen Ertel, a postdoctoral fellow in the Department of Society, Human Development and Health at the Harvard School of Public Health, Boston.

Her team found that "people who were most socially integrated had memory decline of less than half the rate compared with those who were the least socially integrated," Ertel said.

The report is published in the May 29 online edition of the American Journal of Public Health.

In the study, Ertel's team collected data on almost 17,000 Americans, 50 and older, who participated in the Health and Retirement Study. To test memory, the researchers had participants memorize a list of 10 words. Over six years, researchers tested recall of the word list to assess any decline in immediate and delayed recall.

Average memory scores declined from 11 in 1998 to 10 in 2004, the researchers reported. People who were more socially engaged at the start of the study had a slower decline in memory, compared with people who were more socially isolated, the researchers found.

According to Ertel, the findings indicate that "social activity may help preserve cognitive functioning in the elderly. In addition, people who are socially active may also have other healthful behaviors, which may be related to cognition and better physical health."

In another study in the same issue of the journal, Finnish researchers reported that elderly people are more likely to be institutionalized following the death of a spouse.

"We found that the risk of entering long-term institutional care was higher among older adults who had lost their spouse than among those living with their spouse," said lead researcher Elina Nihtila, from the department of sociology at the University of Helsinki.

Moreover, the excess risk of institutionalization was highest during the first month after the spouse's death, Nihtila said. "The risk was more than three times among both men and women, and decreased with time from bereavement, stabilizing at approximately 20 percent to 50 percent higher over one to five years," she said.

Fortunately, a large proportion of surviving spouses are likely to recover from partner loss, and feelings of despair and anxiety typically do diminish over time, Nihtila said. This "emotional recovery could explain why the very large excess risk of entering institutional care among those recently bereaved dropped with time from the spouse's death," she said.

The study involved data on almost 141,000 people 65 and older living with a spouse. During five years of follow-up, the risk of being institutionalized rose immediately after the death of a spouse, the researchers found.

There could be various explanations for these findings, Nihtila said, including a "loss of social and instrumental support, in the form of care and help with daily activities such as help in cooking, cleaning, and shopping formerly shared with the deceased spouse."

In addition, grief and spousal loss may cause various symptoms, such as depression and anxiety, loss of appetite, sleep disturbances, fatigue and loss of concentration, Nihtila noted. "Furthermore, grief may cause increased susceptibility to physical diseases that could also increase the need for institutional care," she said.

Home help services targeted to the bereaved immediately after a spouse's death might help ease the strain, Nihtila said.

One expert said the studies highlight the problem of growing social isolation among the elderly.

"There is nothing like being face-to-face with someone," said Colin Milner, CEO of the Vancouver-based International Council on Active Aging. "But I think we are manufacturing that [contact] out of our lifestyle and that will have a long term detrimental effect on the mental health of the population," he said.

More outreach to older people, especially when a spouse dies, will be key, Milner said. "There should be programs when a spouse dies to help them get back into the swing of life," he said.

More information
For more on healthy aging, visit the U.S. Centers for Disease Control and Prevention.

Monday, May 05, 2008

Youtharia is a natural supplement geared towards rejuvenating your entire biological system

Youtharia is a natural supplement geared towards rejuvenating your entire biological system, impeding the aging process, and promoting longevity.

It will:
Enhance Your Cardiac Output.
Increase Your Energy and Stamina.
Strengthen Your Immune System.
Restore Your Sleep Physiology.
Improve Your Appearance.
Elevate Your Sense of Well-Being.

Aging is an accumulation of lifelong damage to macromolecules, cells, tissues and organs. The maximum life span known for humans is 122.5 years. Genetic differences between humans account for different aging rates, including efficiency of DNA repair, types and quantities of antioxidant enzymes, and different rates of free radical production.

Common diseases among older people are cardiovascular disease, arthritis, osteoporosis, and hypertension. For chronic diseases and conditions such as Alzheimer's disease, arthritis, depression, psychiatric disorders, osteoporosis, Parkinson's disease, and urinary incontinence, much remains to be learned about their distribution in the population, associated risk factors, and effective measures to prevent or delay their onset.

The epidemiologic transition, combined with the increasing number of older persons, represents a challenge for public health. In the United States, approximately 80% of all persons are aged above 65 years and have at least one chronic condition, and 50% have at least two conditions. As the population ages, the impact of Alzheimer's disease, which doubles every 5 years after the age of 65, is also expected to increase. Chronic conditions also can lead to severe disability. In the United States alone, arthritis affects approximately 59% of persons aged 65 years and above and is the leading cause of disability.

more information:
http://www.youtharia.com/index.htm?aff=dreddyclinic

Sunday, April 13, 2008

Cure Diabetes mellitus (Madhumeha)

According to Ayurveda, the consideration of a patient’s lifestyle, age, type of work, psychosocial needs and willpower is important in a management plan.

The latter includes the necessary panchakarmas (cleansing methods), herbal formulas, a healthy meal plan, and regular blood sugar monitoring. A physician needs to evaluate the plan at each visit and make necessary […]

Saturday, March 15, 2008

Ayurveda And Geriatric Care

The twenty-first century is witnessing a gradual decline in fertility, and with increase in life expectancy, the society will need to grapple with issues of longevity. The cause of morbidity and mortality world over is shifting from communicable diseases a few decades ago to non-communicable diseases. The leading causes of mortality among aged people comprise respiratory problems, heart diseases, cancer and stroke. Significant causes of morbidity among this group is chronic inflammatory and degenerative conditions such as Arthritis, Diabetes Osteoporosis, Alzheimer’s disease, depression, psychiatric disorders, Parkinson’s disease and age related urinary problems.

The biggest challenge with geriatric problem is that in most of the cases the condition cannot be attributed to a single cause or in certain conditions of neuro-psychiatric disorders like, Senile dementia, Alzheimer’s depression, the structural cause is unknown. In such cases the conventional medical therapy fails to come out with effective management plan and hence is severely compromised. Another challenge with conventional medical therapy is that it does not have health-promoting agents. Ayurveda on the other hand has interventions like chayavanaprasha, triphala that enhance physiological processes that influence metabolic and immunological status. Such interventions are significant in the context of geriatric care.

The twenty-first century is witnessing a gradual decline in fertility, and with increase in life expectancy, the society will need to grapple with issues of longevity. The cause of morbidity and mortality world over is shifting from communicable diseases a few decades ago to non-communicable diseases. The leading causes of mortality among aged people comprise respiratory problems, heart diseases, cancer and stroke. Significant causes of morbidity among this group is chronic inflammatory and degenerative conditions such as Arthritis, Diabetes Osteoporosis, Alzheimer’s disease, depression, psychiatric disorders, Parkinson’s disease and age related urinary problems.

The biggest challenge with geriatric problem is that in most of the cases the condition cannot be attributed to a single cause or in certain conditions of neuro-psychiatric disorders like, Senile dementia, Alzheimer’s depression, the structural cause is unknown. In such cases the conventional medical therapy fails to come out with effective management plan and hence is severely compromised. Another challenge with conventional medical therapy is that it does not have health-promoting agents. Ayurveda on the other hand has interventions like chayavanaprasha, triphala that enhance physiological processes that influence metabolic and immunological status. Such interventions are significant in the context of geriatric care.

Rasayana therapy of Ayurveda is a dedicated stream of medication for immune promotive, antidegenerative and rejuvenative health care and is known for preventing the effects of ageing and improving the quality of life of healthy as well as diseased individuals. Scientific studies have proven the efficacious role of Rasayana remedies in the management of chronic life style related diseases and degenerative changes.

Rasayana is normally advised during the degenerative phase, which starts from around 45 yrs in both male and female. A holistic system like Ayurveda approaches this condition through two-fold methods. One is a radical approach in which it recharges the whole metabolic process of the body by eliminating the toxins from the system by a three to four months rigorous and organized process known as Kutipraveeshika Rasayana. However, this process is seldom practiced due to the extreme intricacy of the physiological process involved and the need for utmost care to be taken by the physician and subject including the environment where the treatment is done. Hence this Kutipraveeshika remains as a textual marvel of Ayurveda than a practical process of contemporary relevance.

The second approach of Ayurveda, which is quite popular today, is called Vataatapika Rasayana – which can go along with the normal day to day life. This type of Rasayana is particularly important in the current scenario, as it is has a relatively easy mode of administration without any restrictive pre-conditions.

Describing the effects of Rasayana, the classical texts of Ayurveda say that from Rasayana one attains longevity, improved harmony and intelligence, freedom from disorder, youthful vigor, excellence of luster, complexion and voice, optimum strength of physique and senses, command over language, respectability and brilliance. Ayurveda considers the physical structure to be composed of 7 dhatus starting from Rasa {Rasadi Dhatus} and Rasayana is the tool to create premium dhatus (body tissues). The main utility of Rasayana therapy is in functional and degenerative disorders that have a chronic or long standing nature. In such cases, in fact, Rasayana is the only solution from the point of view of effective management in any system of medicine. Rasayana becomes more fruitful and effective if it is preceded with suitable panchakarma (purificatory therapy). The reason we see mixed results in many cases where Rasayana is employed is because of the fact that either this purification is not done or improperly done. Panchakarma is a bio-cleansing regimen comprising of five main procedures that facilitates better bioavailability of the pharmacological therapies, helps to bring about homeostatis of body-humors, eliminates disease-causing complexes from the body and checks the recurrence and progression of disease. The five fold measures comprehended in this therapy are-Vamana (Therapeutic Emesis), Virechana (therapeutic Purgation), Asthapana Vasti (Therapeutic Decoction Enema), Anuvasana Vasti (Therapeutic oil Enema), Nasya Karma (Nasal administration of medicaments).

Panchakarma procedures are preceded by Snehana (therapeutic Oleation) and Swedana (Sudation) applications to make the body system conducive for elimination of bio-toxins and cleansing of channels. This is effective in managing autoimmune, neurological, psychiatric and musculo-skeletal diseases of chronic and metabolic origin.

Ayurvedic treatment as such is very individualistic and one medicine found to be useful in a condition in a particular person might not work at all in another. Hence it is a challenge to come out with generalized management solutions for a condition that would suit all. It is difficult to bring out management plans for a particular disease condition and implement the same on a large scale. It is important that we respect both holism of traditional medicine as well as reductionism of modern biomedicine because both are ways of looking at nature and depending on the purpose both the views can be extremely useful. Furthermore the whole and the part are certainly related but it is not a one-to-one relationship.

The understanding that it is not one-to-one relationship and learning how to relate the whole perspective (the systemic theories of Ayurveda & Yoga) with part (structural theories of western biomedicine) is the outlook that should underline the implementation of trans-disciplinary research projects. Today, nobody in the academic field has all the answers of how to combine and correlate part and whole perspectives in the context of clinical research design, clinical practice, content of courses on Ayurveda and Yoga, in the context of laboratory research in pharmacognosy and product development, and in assessment of community based local health practices. It is important to understand that drug trials for evaluating efficacy of Ayurvedic interventions is a reductionist approach and is an inappropriate design. Instead clinical trials should evaluate the efficacy of a whole management package which may consist of drugs, diet, Yoga, Panchakarma including differential diagnosis to identify the specific nature of tridoshic imbalance.

The World population of the elderly is increasing and by the year 2050, adults older than 65 years will comprise 1/5th of the global population. In India 3.8% of the population are older than 65 years of age. According to an estimate the likely number of elderly people in India by 2016 will be around 113 million.

The biggest challenge in the contemporary application of Ayurvedic geriatrics would be to come up with protocols to document, diagnose in an integrative framework and manage geriatric problems. This would require critical investment in establishing advanced research, treatment and teaching centers that have a state of the art facility to deal with geriatrics. It is essential that a multi-dimensional intervention be conceived that will involve a) trans-disciplinary research b) advanced treatment centers and c) specialized postgraduate education. There is a very urgent need to establish centers in the country that would engage in the kind of trans-disciplinary research that we are envisaging in order to take Ayurveda globally and also to bring the clinical services of Ayurveda into the mainstream. This would require a generous funding for undertaking such research and also establishing centers that would provide effective clinical services. There is also a need to support specialized trans-disciplinary PG researches in centres where PG in geriatrics is offered.

Source: PIB

Monday, March 10, 2008

AyurGold-Maintain Optimal Blood Chemistry for Good Health

Blood chemistry is regulated by negative feedback in order to keep the body in homeostasis (optimal equilibrium). The levels of glucose in the blood are monitored by the cells in the pancreas.

If the blood glucose level falls to dangerous levels (caused by very heavy exercise or lack of food for extended periods), some pancreas cells release glucagon, a hormone that acts on liver cells to increase blood glucose levels.

Stored glycogen is converted into glucose by a process called glycogenolysis. The glucose is then released into the bloodstream, increasing blood sugar levels.

Blood sugar levels are also increased by "stress" hormones such as adrenalin, steroids, infections, trauma, and the ingestion of food. When levels of blood sugar rise, whether as a result of glycogen conversion, or from the digestion of a meal, a different hormone is released from beta cells found in the Islets of Langerhans in the pancreas.

This hormone, insulin, causes the liver to convert more glucose into glycogen. This process is called glycogenesis and it forces about two-thirds of body cells (primarily muscle and fat tissue cells) to take up glucose from the blood, thereby decreasing blood sugar levels. A breakdown in body homeostasis can lead to dangerously high or low blood sugar levels.

This can become a chronic condition leading to the onset of diabetes. According to the World Health Organization, in 1985, an estimated 30 million people worldwide had diabetes. By 1995, this number shot up to 135 million. The latest WHO estimate for the number of people with diabetes worldwide is 177 million. This will increase to at least 300 million by 2025.

The number of deaths attributed to diabetes is likely to be around 4 million. These projections take into account the fact that there will be more people in the world due to population growth and that there will be more elderly people due to population aging.

They also account for urbanization - the fact that people are moving from rural areas to cities, particularly in developing countries. This migration affects the number of people who are likely to have diabetes, because people living in cities of developing countries tend to be less physically active and have higher levels of obesity than people in rural areas.

In fact, current trends in obesity suggest that these projections are conservative and that the increase in the prevalence of diabetes may be even greater. In developing countries, people in the middle and most productive years of their lives are particularly affected by diabetes.

In these countries, three-quarters of all people with diabetes are under 65 years old and 25% of all adults with diabetes are younger than 44. In developed countries, more than half of all people with diabetes are older than 65, and only 8% of adults with diabetes are younger than 44. Because of its chronic nature, the severity of its complications, and the means required to control it, diabetes is a costly disease, not only for the affected individuals and the families involved, but also for the health authorities.

Studies in India estimate that, for a low-income Indian family, as much as 25% of family income may be devoted to diabetes care. For families in the USA, the corresponding figure is 10%. The total healthcare cost of a person with diabetes in the USA is between two and three times those for people without the condition.

A recent analysis of healthcare expenditure in the Western Pacific region has shown that 16% of hospital expenditure was spent on people afflicted with diabetes. In the Republic of the Marshall Islands, this figure was 25%. The cost of diabetes affects everyone, everywhere, but they are not only a financial problem. Intangible costs (pain, anxiety, inconvenience, and generally lower quality of life) also have great impact on the lives of patients and their families and are the most difficult to quantify.

Direct costs to individuals and their families include medical care, drugs, insulin, and other supplies. Patients may also have to bear other personal costs, such as increased payments for health and life insurance. Recent treatment cost estimates for Argentina, Brazil, and Mexico were US $3.9 billion, US $0.8 billion and US $2.0 billion, respectively.

Each of these is an annual figure and is rising as prevalence of diabetes increases. For most countries, the largest portion of diabetes expenditure is cost of hospital admissions for the treatment of long-term complications, such as heart disease, stroke, kidney failure, and foot problems.

Western medicine relies on aggressive prescription drugs and surgery to deal with many problems related to irregular blood chemistry in the body. Unfortunately, these methods often result in unwanted and even dangerous side effects. And natural pills provide only fleeting, inconsistent results.

Ayurveda, the science of life, prevention and longevity, is the oldest and most holistic and comprehensive medical system available. Its fundamentals can be found in Hindu scriptures called the Vedas - the ancient Indian books of wisdom written over 5,000 years ago. Ayurveda applies the inherent principles of nature to help maintain optimum health in a person by keeping the individual's body, mind, and spirit in perfect equilibrium with nature.

India Herbs has a seasoned group of Ayurvedic doctors specialized in Vajikarana, one of the eight major specialties of Ayurveda. Vajikarana prescribes the therapeutic use of various herbal and tonic preparations to address the root cause of irregular blood chemistry, while strengthening your body and overall well-being.

India Herbs' Vajikarana scientists combine a proprietary herbal formula based on centuries' old wisdom with advice on diet, exercise, mental training, and relaxation to help men and women overcome their health concerns through safe and natural means.

Results: The precise combination of ingredients in AyurGold along with a mind-body focus precisely addresses your blood chemistry concerns!
more information:
http://www.india-herbs.com/aff/dreddyclinic/ayurgold

Friday, February 29, 2008

Spanking Raises Chances of Risky, Deviant Sexual Behavior

(HealthDay News) -- Researchers have uncovered another damaging consequence of spanking: risky sexual behaviors, or even sexual deviancy, when the child grows up.

"This adds one more harmful side effect to spanking," said Murray Straus, a spanking expert who was expected to present the findings of four studies at the American Psychological Association's Summit on Violence and Abuse in Relationships in Bethesda, Md., on Thursday.

"I think that it's pretty powerful," said Elizabeth Gershoff, an assistant professor at the University of Michigan's School of Social Work. "It's across several studies and across different forms of either risky or deviant sexual behavior."

Straus, who was the author of all four studies, hopes the findings will raise awareness among child development experts.

"My hope is to convince my colleagues that they ought to put this in their textbooks," said Straus, co-director of the Family Research Laboratory at the University of New Hampshire, in Durham. "It's amazing. Something experienced by all American kids gets an average of half a page in child development textbooks, and not a single one comes to the conclusion that parents should never spank."

Even the revered Dr. Spock, who was anti-spanking, never came right out and advised parents outright not to do it, he added. Instead, Spock advised "avoiding it if you can."

A meta-analysis of spanking studies conducted by Gershoff found 93 percent agreement among studies that spanking can lead to such problems as delinquent and anti-social behavior in childhood along with aggression, criminal and anti-social behavior and spousal or child abuse as an adult.

"There's probably nothing else in child development that has 93 percent agreement in results," Straus said.

Five percent of people who have never been spanked hit their partners, versus 25 percent of those who were spanked frequently.

However, some 90 percent of U.S. parents spank toddlers, according to Straus.

The review being presented at the meeting are the first to look at the relationship of spanking to sexual behavior.

They found that spanking and other corporal punishment is associated with an increased probability of verbally and physically coercing a dating partner to have sex; risky sex such as premarital sex without using a condom; and masochistic sex such as spanking during sex.

There is a "dose response" at work here. "The more parents spank, the higher the probability of harmful side effects," Straus noted.

Of course, there's a similar dose response for smokers. But if someone reaches the age of 65 without developing lung cancer, it doesn't mean that smoking isn't harmful. It means the person was one of the lucky ones.

It's the same with spanking, Straus said. "If a person says, 'I was spanked, and I don't have any interest in bondage and discipline sex, that's correct, but it's not because spanking is OK, it's because they're one of the lucky ones."

And spanking a child once may be like picking up that first cigarette. "The trouble is, if you have a 2-year-old, you pretty soon decide you can't avoid it. The recidivism rate for whatever 'crime' you correct a 2-year-old for is about 50 percent in two hours."

"I've been researching corporal punishment for 30 years and, in the course of that time, the evidence has accumulated that it doesn't work any better than non-corporal punishment but has harmful side effects. I have come to the conclusion that parents should never, ever spank because, although it does work, it's no better than non-hitting methods that don't have harmful side effects. If there was an FDA for spanking, they'd say use an alternative that doesn't have harmful side effects."

More information
Visit the Center for Effective Discipline for other ways to discipline your child.

Monday, February 25, 2008

Most Internet Sex Offenders Target Teens, Not Kids

(HealthDay News) -- The stereotype of the middle-aged male sex offender posing online as a young person to trick adolescents into clandestine meetings where they can be abducted and raped is inaccurate, a new study finds.

Instead, Internet-initiated sex crimes most often involve adult men who do not lie about their age, are open about wanting sex, and use instant messaging, e-mail and chat rooms to meet and seduce teenagers, according to research published in the February/March issue of American Psychologist, the journal of the American Psychological Association.

According to study co-author David Finkelhor, director of the Crimes against Children Research Center at the University of New Hampshire, most arrested sex offenders who find victims on the Internet are charged with crimes such as statutory rape that involve nonviolent sexual relations with adolescents too young to consent to sexual intercourse.

The research team found that online sexual predators rarely resorted to violence or abduction of their victims. Instead, the sex offenders worked slowly, developing the trust of their young victims who felt these relationships were romances or sexual adventures.

"We have to be frank about what is going on if we are going to stop the problem. The teens are often looking for attention, affection, excitement and romance. That doesn't make it a less serious problem, because the teenagers may in some ways contribute to the situation. The adult should know that having sexual relationships with young teenagers is against the law, but they go ahead and do it. It is still a crime," said Finkelhor.

The research was compiled from three surveys -- two telephone interviews totaling 3,000 young Internet users between the ages of 10 and 17 conducted both in 2000 and 2005 and 612 interviews in 2001 and 2002 with federal, state and local law enforcement officials who have expertise in investigating Internet-initiated sex crimes. The data revealed almost 75 percent of victims who met sex offenders in person did so more than once.

"This is a very interesting study and supports other previous research. My only caveat is that it was primarily based on phone interviews, and the researchers were reporting what they were told by the young people," said Ernie Allen, president of the National Center for Missing & Exploited Children.

The investigators identified several behaviors that appear to make teens more likely to receive sexual contact from predators, including placing people they didn't know on their instant messaging buddy lists, talking about sex online with strangers, and engaging in rude or nasty chats online. The teens most vulnerable to online sex offenders are more likely to be risk takers and to have histories of sexual or physical abuse and family problems. In addition, the researchers concluded boys who are gay or are questioning their sexuality may be at higher risk of sex crimes initiated on the Internet than other groups.

The study indicates MySpace and Facebook, social networking Web sites popular with teens, do not appear to increase the risk of adolescents being victimized by sexual predators. The same conclusion was reached recently in a study by one of the researchers of this latest article; that earlier work appeared in the February issue of Pediatrics. Instead, talking online about sex to strangers in chat rooms or with instant messaging heightened the risk of exposure to sex offenders.

"I would caution that it is not clear the Internet has increased the level of risk in young people, although perhaps it has changed the venue for some of these situations with sexual predators. There has certainly been plenty of statutory sex offenses going on before the popularity of the Internet, and it may have migrated to the Web, because that's where people are. However, statistics don't suggest there's a big explosion of it and, in fact, suggest sex crimes against children are going down," Finkelhor explained.

"The bottom line is that most teens are doing a good and responsible job of being on the Internet. But teens think they are immortal, and it is important for parents to keep the lines of communication open and for youngsters to realize predators are out there," said Allen.

More information
For more on protecting children and teens from sexual exploitation, visit The National Center for Missing & Exploited Children.

Sunday, February 17, 2008

Ignition Locks Prevent Repeat DWI Offenses

(HealthDay News) -- Breath-testing devices that prevent a vehicle from starting if the driver's blood alcohol level exceeds a preset limit can dramatically reduce more DWI offenses among first-time offenders, a new study shows.

First offenders with "interlock" devices installed on their cars were 60 percent less likely to have a repeat offense than those who did not use the devices, according to findings published in the current issue of Traffic Injury Prevention.

"This study on first-time offenders reinforces prior studies on this issue that show a 65 percent reduction in drunk driving while interlocks are installed," Paul Marques, of the Pacific Institute for Research and Evaluation, said in a prepared statement.

The findings may help resolve questions about whether interlocks work as well with first-time offenders as with repeat offenders. Two earlier studies had questioned their effect, but the researchers noted that in those studies, only a small proportion of those required to install the interlocks actually did.

In the new study, researchers examined the records of 1,461 first-time DWI offenders in New Mexico who had interlocks installed in their vehicles and compared them with 17,562 first-time offenders in the state who didn't use the devices. The two groups were matched by age, gender and blood alcohol concentration at the time of arrest.

"The average first offender has driven drunk many times before he or she was arrested. The big risk difference is between non-offenders and first offenders. The risk difference between first offenders and repeat offenders is small by comparison," Marques said.

This research -- funded in part by the Substance Abuse Policy Research Program of the Robert Wood Johnson Foundation, a philanthropic organization that focuses on health and health-care issues -- also cited possible economic benefits to vehicle interlocks.

One device cost the offender $2.25 per day, leading the authors to estimate that for every dollar spent on interlocks for first offenders, the public saves $3 in damage and destruction caused by DWI crashes.

"Interlocks present an opportunity to help change behavior rather than simply punishing or incarcerating the offender," Marques said. "It's not enough to revoke a license -- 75 percent of all people with revoked licenses drive anyway -- but you don't want to sentence an entire family to poverty if they're dependent on that driver getting to and from his or her job. By installing an interlock, the risk that the DWI offender poses is controlled, and interlocks become a public benefit."

Only about 10 percent of arrested DWIs nationally are ordered a period of interlock-controlled driving, Marques said. Four states mandate interlocks for first DWI offenses: New Mexico, Louisiana, Arizona and Illinois (effective in 2009).

More information
The National Institute on Alcohol Abuse and Alcoholism offers has more about preventing alcohol abuse.

Monday, February 11, 2008

Baseline Exam Is Key to Eye Health

(HealthDay News) -- Even people with no signs or risk factors for eye disease can suffer vision loss and need to get baseline eye exams at age 40, says the American Academy of Ophthalmology (AAO).

The reminder is part of the academy's EyeSmart campaign to mark Save Your Vision Month in February.

"Many eye diseases progress without any warning sings," Dr. Stephanie Marioneaux, a clinical correspondent for the AAO, said in a prepared statement. "Gradual changes in vision can affect your ability to function independently and have confidence in your abilities. One of the hardest adjustments a person can make is adapting to life with permanent vision loss. That is why nothing replaces a comprehensive baseline eye exam."

Based on the findings from the initial screening, an ophthalmologist will create a schedule for follow-up eye exams.

People of any age who have symptoms of eye disease or at high risk due to family history, diabetes or high blood pressure should consult with their ophthalmologist to determine how often they should have their eyes checked, the AAO recommends.

By 2020, 43 million Americans will be at significant risk for vision loss or blindness due to age-related eye diseases such as cataracts, diabetic retinopathy, glaucoma and macular degeneration. That's a more than 50 percent increase over the current number of Americans with such vision-threatening diseases.

But many Americans are unconcerned about the risk of vision loss. Only 23 percent of Americans are very concerned about losing their vision, while most feel weight gain or joint or back pain are greater worries than vision loss, according to an AAO survey conducted for its EyeSmart campaign.

"Unfortunately, millions of people with suffer significant vision loss and blindness because they don't know the risks. That is why the academy launched the EyeSmart campaign, because knowing your risks can save your sight," Marioneaux said.

More information
The U.S. National Eye Institute has more about eye disease risk.

Tuesday, January 22, 2008

Exercise Program Eases Arthritis

(HealthDay News) -- Exercise programs can help ease arthritis symptoms, says a U.S. study that evaluated the effects of an Arthritis Foundation regimen.

The University of North Carolina at Chapel Hill study included 346 people, average age 70, with self-reported arthritis. Some were assigned to a group that followed the Arthritis Foundation Exercise Program, formerly called People with Arthritis Can Exercise (PACE), consisting of basic and advanced exercise classes twice a week for an hour a week for eight weeks. Others were put in a control group that did not take part in the exercise program.

After eight weeks, people in the exercise group showed significant improvements in pain, fatigue and managing arthritis. The pain and fatigue improvements were still evident six months after completing the exercise program.

The Arthritis Foundation Exercise Program emphasizes range-of-motion and low-resistance exercises, but the researchers found that people who completed the program also had increased strength in their upper and lower extremities. This suggested that strength training -- a minor component of the program -- is effective.

People in the exercise program did not show any increase in exercise endurance.

The study was published in the January issue of Arthritis Care & Research.

"Our findings indicate that the basic 8-week PACE (Arthritis Foundation Exercise) Program is a safe program for sedentary older individuals with arthritis to start exercising without exacerbating their symptoms," the researchers concluded.

Further studies should be conducted to determine if offering the program more than twice a week and for longer periods offers additional benefits, they added.

More information
The U.S. National Institute on Aging has more about arthritis.

Wednesday, January 09, 2008

Kama Yogi - Sexual dysfunction may take many forms.

Sexual dysfunction may take many forms. The most common problems are Hypoactive Sexual Desire Disorder (low not allowed drive) and Penile Erectile Dysfunction (difficulties in achieving and maintaining an erection).

According to the World Health Organization (WHO), the key causes of sexual dysfunction is due to rapid urbanization, increased consumption of energy-dense foods high in saturated fats and sugars and depression.

When a man finds himself unable to get and maintain a sufficient erection due to physical causes, it can cause depression and anxiety.

By the same token, when a man finds he suffers ED only in certain circumstances, physiological factors may be the source of the problem. While psychological factors can play a big role in sexual problems, studies have suggested that 20 - 50% of men with erectile dysfunction have some organic basis for their problem.

Sexual dysfunction may range from mild (low not allowed drive, weak erections, lack of energy, slow and weak ejaculation) to severe (total inability to achieve erection and complete lack of sexual desire). In many cases, sexual dysfunction or sluggish sexual responses may be caused by poor systemic health, stress, the build up of toxins and unhealthy lifestyles.

In a way, sexual health can be seen as a sort of ‘barometer’ of overall systemic and psychological health.

Men who are healthy, fit and confident about themselves and about life usually report a vigorous and satisfying not allowed life, no matter what their age.

Practitioners of Ayurveda have many centuries of knowledge regarding the use of herbal medicines and holistic techniques to treat a wide variety of medical problems and to promote optimum health and functioning. In this respect, certain Yoga techniques practices have been identified as having the ability to improve sexual functioning and overall systemic health.

Traditionally, Yoga is the divine science, a gift of God to his creation. When man has reached a certain stage of evolution, Yoga is "revealed" to a few great saints who are empowered to transmit it to qualified pupils and through them to successive generations.

The earliest archaeological evidence for the practice of yoga is afforded by drawings of men in the posture of yogic meditation excavated in the Indus valley - dating from at least 3000 BC! The earliest literary evidence is found in references to the practice of Yoga in the Vedas, the oldest books in the world, parts of which were composed in Northern India not later the 2500 BC; it is widely believed by scholars that Yoga existed and was handed down orally for thousands of years before that.

India Herbs has a seasoned group of Ayurvedic doctors specialized in Vajikarana, one of the eight major specialties of Ayurveda (the ancient science dealing with medicine).

Vajikarana is "a process or a drug, which make a man sexually as strong as a horse and able to copulate for long and frequently with many wives and partners. " India Herbs' Vajikarana scientists have integrated a series of yogic techniques and practices based on millennia old wisdom to reignite inert bodily functions caused by stress and energy deprivation.

The KAMA YOGI eBook contains simple and effective methods, coupled with adherence to simple advice on diet, exercise, mental training, and relaxation that will treat the whole person - the mind , body and spirit in order to create the balance that will address the causes of low libido and male sexual dysfunction as well as ensuring optimum overall health through safe and natural means.

Results: The KAMAYOGI eBook is a clear and step-by-step practical guide with photos to help you to increase your psycho-sexual power and improve your not allowed life.

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Friday, December 14, 2007

Menopause May Be Unique to Humans

(HealthDay News) -- Scientists have found no evidence that female chimpanzees go through menopause in the way that human females do -- even though their ability to reproduce tends to taper off at a similar age.

"When we look at the healthiest individuals, it looks like chimpanzees may actually be reproducing better than humans in their forties," researcher Melissa Emery Thompson, of Harvard University, said in a prepared statement. "The oldest chimpanzee known to give birth in the wild is estimated to have been 55. She began reproductive cycling again shortly before her death at the age of 63."

Thompson's team analyzed fertility rate data on female chimpanzees in the wild. They found that they, like humans, have declining birth rates after the age of 40. This suggests that the "biological clock" in humans has been relatively preserved over the course of evolution, the study authors said.

However, unlike humans, female chimpanzee fertility tends to decline along with their survival odds. Healthy females maintain high birth rates late into life.

"The adaptive significance of human menopause, or post-reproductive life span, is still debated. This study provides greater evolutionary context to this debate," Thompson and her colleagues wrote.

These findings in chimpanzees, along with recent findings in wild gorillas and orangutans, indicate that "menopause is not part of the life cycle of living apes but has been uniquely derived in the human lineage."

The study is published in the Dec. 13 issue of the journal Current Biology.

More information
The U.S. National Institute on Aging has more about menopause.


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Tuesday, December 11, 2007

Drug Combo With Antibiotic May Slow MS Progression

(HealthDay News) -- Combining an antibiotic with a medication currently used to treat multiple sclerosis may slow progression of the disease, according to researchers at the Louisiana State Health Sciences Center in Shreveport.

Their study included 15 patients (average age 44.5) with relapsing-remitting MS who'd been taking interferon for at least six months and were experiencing symptoms and developing new brain lesions.

For four months, the patients took 100 milligrams daily of the antibiotic doxycycline in addition to their interferon therapy. During the study, they had monthly neurological examinations, MRI brain scans and blood work.

At the end of the four months, 60 percent of the patients had a more than 25 percent reduction in the number of brain lesions. Patients also had lower disability scores. One patient relapsed.

Side effects were mild and included only the known side effects of the two drugs individually, rather than side effects caused by combining the two medications, the researchers said.

The study, funded by Biogen Idec Inc., was posted online Dec. 10 and will be published in the February 2008 print issue of the Archives of Neurology.

"There is a growing interest in combination therapy in patients with MS to stabilize the clinical course, reduce the rate of clinical relapses and decelerate the progressive course of the underlying pathologic mechanism," the study authors wrote. "Overall, data from this cohort suggest that the treatment combination of oral doxycycline and interferon beta-1a may be safe and effective in some patients with MS; however, further controlled clinical trials are warranted to demonstrate safety and efficacy in a larger patient population."

More information
The U.S. National Institute of Neurological Disorders and Stroke has more about multiple sclerosis.

Friday, December 07, 2007

New Kind of Stem Cells Reverse Sickle Cell Anemia

(HealthDay News) --Scientists have succeeded in using cells virtually identical to embryonic stem cells to "correct" sickle cell anemia in mice.

The breakthrough was made possible by another advance announced barely two weeks ago that scientists had created "induced pluripotent stem" (iPS) cells from human skin cells. These iPS cells are very similar, although not exactly identical, to embryonic stem cells. The process bypasses the need to use embryos, and thus circumvents many of the ethical complications surrounding this type of research.

The first research announcement had left open the question of whether iPS cells could actually be used for therapeutic purposes.

That question has now been at least partially answered by this latest report.

"This study is important as a proof of principle that these iPS cells can be used to correct mutations," said Dr. Jacob Hanna, lead author of the study, which is published in the Dec. 6 online issue of Science Express.

Hanna is a postdoctoral fellow in Rudolf Jaenisch's laboratory at The Whitehead Institute in Boston.

"It's very fascinating that they're using these reprogrammed cells to make hematopoietic cells [which can produce different blood and immune cells] to then treat the genetic defect in these mice," said Paul Sanberg, director of the University of South Florida Center for Aging and Brain Repair in Tampa.

Embryonic stem cells are pluripotent, meaning they have the capacity to develop into virtually any cell type in the body. The hope is that such cells may one day yield treatments or cures for diseases such as diabetes, liver failure, spinal injury, stroke, Alzheimer's disease and heart disease.

However, harvesting embryonic stem cells involves destroying a viable embryo, stirring much political debate. In the United States, embryonic stem cell research has been severely limited since August 2001, when President George W. Bush placed limits on federal funding of the field and restricted the number of embryonic stem cell lines that could be used.

Since that time, researchers have been racing to find other sources of viable stem cells -- iPS cells are one outcome of that race.

For this study, Hanna and his colleagues used a process similar to the one revealed two weeks ago, taking skin cells from the tails of mice with sickle cell anemia and using them to produce iPS cells. The researchers then replaced the mutated gene with a healthy gene in the new cells.
Once the iPS cells had differentiated into hematopoietic stem cells, they were reintroduced into the mice, where they began to produce healthy blood cells.

Some 10 percent of the human population, mostly blacks, carry the mutation for sickle cell anemia. The exact mutation is well known, as is the protocol for differentiating embryonic stem cells into precursors of bone marrow adult stem cells, making the condition well-suited to study.

In sickle cell anemia, red blood cells become sickle-shaped and can't move easily through the blood vessels.

Although exciting, the process is still fraught with potential danger.

The procedure to turn skin cells into iPS cells could lead to cancer (although none of the mice in this study showed any evidence of tumors). Also, the healthy genes were introduced into the mice via retroviruses, which can introduce other problems.

"Now the major question in the field is can you make iPSs with a safer method, that don't use retroviruses, because viruses can integrate into the DNA and activate dangerous genes or silence necessary genes," Hanna explained.

"I like the fact that they're saying this is a first step, because they're using retroviruses, and they have to show that this is a safe approach," added Sanberg.

More information
Learn more about stem cells at the International Society for Stem Cell Research.

Thursday, November 15, 2007

Kids Who Skimp on Sleep Tend to Be Fatter

(HealthDay News) -- While the connection between a child's weight and the amount of sleep that child gets may not be immediately apparent, new research has found a strong correlation between the two.

Sixth-graders who averaged less than 8.5 hours of sleep a night had a 23 percent rate of obesity, while their well-rested peers who averaged more than 9.25 hours of sleep had an obesity rate of just 12 percent, according to a new study.

"We found that children who got less sleep were more likely to be obese," said the study's lead author, Dr. Julie Lumeng, an assistant research scientist at the University of Michigan Center for Human Growth and Development.

Lumeng said that even after compensating for other factors, such as the home environment, the link between less sleep and heavier weight was still apparent.

The study results are published in the November issue of the journal Pediatrics.

Lumeng said there are three likely reasons why sleep might affect weight. First, if children don't get enough sleep at night, they'll be less likely to run around and get exercise during the day.

Second, when kids are tired, they're more irritable and may reach for junk food to help regulate their mood. And, finally, what Lumeng called a "hot area for future research" is the possible connection between sleep and fat metabolism. She said there have been studies done with adults that have shown that a lack of sleep may disrupt the secretion of hormones involved in appetite and metabolism, such as leptin and insulin.

The new study included 785 children who were in third grade at the start of the trial. Most were white -- 81 percent -- and half were female.

Parents were interviewed about their children's sleep habits when the youngsters were in third grade and then again when they were in sixth grade. The researchers also measured height and weight. Obesity was defined as having a body mass index (BMI, a ratio of weight to height) higher than the 95th percentile for age and gender, according to Lumeng. Eighteen percent of the children were obese in sixth grade.

The researchers also took into account maternal education, race, the quality of the home environment and parenting skills to see if those factors affected a child's weight.

No matter what a child weighed in third grade, too little sleep correlated with being obese in sixth grade. And, short sleep duration in sixth grade also correlated with excess weight in sixth grade, according to the study.

Third-graders who got less than nine hours and 45 minutes of sleep a night had an obesity prevalence of about 20 percent, while those who got more than nine hours and 45 minutes of sleep had obesity rates of about 12 percent, Lumeng said.

Those who were short-changing sleep in third grade had 40 percent higher odds of being obese in sixth grade, and sixth-graders who weren't getting enough sleep were 20 percent more likely to be obese, compared to their well-rested counterparts.

Lumeng said the researchers weren't able to find a statistical association between quality of sleep and obesity. But, she said that without a lab-based sleep study, it's difficult to objectively assess the quality of sleep, so there may be an association that this study wasn't able to uncover.
Dr. Stephen Sheldon, director of the Sleep Medicine Center at Children's Memorial Hospital in Chicago, said he would've liked to see sleep studies so the researchers could have known more about the quality of sleep these children were getting, such as how much REM sleep did they get and how fragmented was the sleep?

But, he said, the bottom line is that "pediatricians and parents really need to start paying closer attention to sleep-wake habits. In this society, we put a premium on being awake, and that premium may hurt us in the long run. Sleep may be as important as food to our health and well-being," said Sheldon, who's also a professor of pediatrics at the Northwestern University Feinberg School of Medicine.

Both Lumeng and Sheldon recommended trying to keep a consistent sleep schedule. Bedtimes and wake times are both important -- for children and adults. Sheldon said it's usually OK to vary your sleep times a little bit on the weekend, about an hour or so, but, he cautioned, "Letting you child sleep till noon or mid-afternoon is inviting trouble."

Lumeng also recommended that children not have a TV in their bedroom, because it can make it more difficult to fall asleep.

More information
To read more about the connection between overweight and sleep, visit the National Sleep Foundation.

Monday, November 05, 2007

Urinary Tract Infection May Raise Birth Defect Risk

(HealthDay News) -- Pregnant women who had a urinary tract infection (UTI) from one month before conception through the first trimester of pregnancy were 70 percent more likely than women without UTI to have a baby with a defect called hypoplastic left heart syndrome (underdeveloped left side of the heart), a U.S. study finds.

This association was independent of other factors, such as vitamin use, folic acid intake, alcohol consumption, race, ethnicity, mother's age, or exposure to sulfonamide ("sulfa") drugs, said the researchers.

The National Birth Defects Prevention Study included 3,690 women who had infants with "nonsyndromic" congenital birth defects and 4,760 mothers of babies without birth defects.

Detecting and treating asymptomatic bacteriuria and UTI in women at time of conception "may decrease the risk of having an infant with a left-sided obstructive cardiac defect," study author Sadia Malik, of the University of Arkansas Medical School in Little Rock, said in a prepared statement.

The study was expected to be presented Sunday at the American Heart Association annual meeting in Orlando, Fla.

More information
The American Heart Association has more about hypoplastic left heart syndrome.

Thursday, October 25, 2007

Obesity Can Hurt Kids' Hearts

(HealthDay News) -- Obese children and those at risk for obesity show early signs of heart disease -- similar to that seen in obese adults, U.S. researchers say.

The study, by a team at Washington University School of Medicine, St. Louis, included 168 children ages 10 to 18. All of the children had undergone cardiac ultrasound to check on symptoms such as heart murmur, chest pain, acid reflux or high blood cholesterol. Of the children, 33 were obese, 20 were at risk for obesity, and 115 were normal weight.

The researchers used a new tissue Doppler imaging technique called "vector velocity imaging" that can track the movement of the heart's muscular wall.

"In the patients who are obese, the rate of motion of heart muscle changed," Dr. Angela Sharkey, an associate professor of pediatrics at Washington University School of Medicine and a pediatric cardiologist at St. Louis Children's Hospital, said in a prepared statement. "As a child's BMIA (body mass index for age) increases, we see alterations in both the relaxation and contraction phase of the heartbeat. Many of these changes that have been seen in adults were assumed to be from long-standing obesity, but it may be that these changes start much earlier in life than we thought."

"Based on this study, these subtle markers can help us predict who could be at risk for heart disease and heart attacks," Sharkey said.

The findings were published in the winter issue of the Journal of Cardiometabolic Syndrome.
Vector velocity imaging could help doctors follow obese children to see if these changes in the heart progress and to determine if interventions -- such as dietary changes, increased exercise, and the use of cholesterol-lowering statin drugs -- have any effect, Sharkey said.

About 19 percent of American children ages 6 to 11 and 17 percent of those ages 12 to 19 are overweight, according to the U.S. Centers for Disease Control and Prevention.

More information
The Nemours Foundation has more about overweight and obese children.

Sunday, September 23, 2007

Many U.S. Women Unaware of Birth Defect Risks

(HealthDay News) -- American women of childbearing age commonly take prescription drugs that can cause birth defects, but only about half are receiving contraceptive counseling from their doctors or other health care providers, a new study finds.

Researchers at the University of Pittsburgh School of Medicine are calling for increased awareness of this issue among doctors and women who may become pregnant.

"We found that over the course of a year, one in six women of reproductive age filled a prescription for a medication labeled by the Food and Drug Administration as increasing risk of fetal abnormalities," first study author Dr. Eleanor Bimla Schwarz, assistant professor in the departments of medicine and obstetrics, gynecology and reproductive medicine, said in a prepared statement.

"Unfortunately, many women filling prescriptions that can increase the risk of birth defects remain at risk of pregnancy," Schwarz said.

The study involved an analysis of all prescriptions filled by more than 488,000 reproductive-aged women enrolled in a large managed health care plan during 2001.

The researchers also examined the use of contraception and pregnancy test results.

They found little difference in rates of contraceptive counseling, use of contraception or subsequent pregnancy test results when women took medications that increase the risk of birth defects versus safer medications.

About half of pregnancies in the United States are unintended, according to background information in the study, which was published in the Sept. 18 issue of the journal Annals of Internal Medicine.

"While efforts are needed to ensure that women get information about birth control and the risk of medication-related birth defects, it also is important to realize that different birth control methods are not equally effective," Schwartz noted. "Women who were using the most effective methods of contraception, such as the intrauterine device or IUD, were least likely to have a positive pregnancy test after filling a prescription for a potentially dangerous medication."

More information
The March of Dimes outlines drugs and herbs that pregnant women should avoid.

Friday, September 14, 2007

Cialis Eases Erectile Dysfunction After Spinal Cord Injury

(HealthDay News) -- The drug Cialis (tadalafil) appears to help treat Erectile dysfunction (ED) in men with spinal cord injuries, according to a French study of 197 male spinal cord injury patients.

The researchers, from Raymond Poincare Hospital in Garches, noted that only about 25 percent of men with spinal cord injuries are able to have erections that are adequate for intercourse.
For the first four weeks of the study, the men received no treatment. They were then randomly assigned to receive Cialis or a placebo for 12 weeks. The men, who averaged 38 years of age, were instructed to take the drug/placebo as needed before sexual activity, with a maximum of one dose daily.

After the 12-week treatment period, all the men filled out a questionnaire to assess erectile dysfunction. Men who took the drug had an average score of 22.6 (mild ED), while those who took the placebo had an average score of 13.6 (moderate ED).

On average, men who took Cialis were 75.4 percent successful when attempting penetration and 47.6 percent successful when attempting intercourse, compared with 41.1 percent and 16.8 percent, respectively, for men who took the placebo.

The most common side effects among the men who took Cialis were headache (8.5 percent) and urinary tract infection (7.7 percent).

The study, funded by Cialis' maker Lilly ICOS LLC, was posted online Sept. 10 and is expected to be published in the November print issue of the journal Archives of Neurology.

More information
The University of Alabama at Birmingham has more about sexual function for men with spinal cord injury.

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