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Greater stresses on joints than running barefoot or walking in high-heeled shoes observed

Knee osteoarthritis (OA) accounts for more disability in the elderly than any other disease. Running, although it has proven cardiovascular and other health benefits, can increase stresses on the joints of the leg. In a study published in the December 2009 issue of PM&R: The journal of injury, function and rehabilitation, researchers compared the effects on knee, hip and ankle joint motions of running barefoot versus running in modern running shoes. They concluded that running shoes exerted more stress on these joints compared to running barefoot or walking in high-heeled shoes. Read more

The most common herbal supplement for improving brain function probably does not provide any long-term benefits, at least not in older adults. That’s the suggestion of an eight-year, double-blind, placebo-controlled study of over 3,000 seniors.

Concentrated extract from the leaves of Ginkgo biloba, also known as the maidenhair tree, is a best-selling herbal supplement. Most commonly Ginkgo biloba is sold as “brain herb” that improves and protects cognitive abilities,  particularly in the elderly.  Read more

(NaturalNews) Research is now showing that today’s “baby boomers”, the generation currently eclipsing age 60, is the first generation to be less healthy than the generation before them. Those in this age group are more susceptible to debilitating diseases than in years past, stemming primarily from poor diet and lack of proper exercise. Read more

Family History of Melanoma Boosts Risk for Parkinson’s Disease

Xiang Gao, MD, PhD

Melanoma, the most serious form of skin cancer, and Parkinson’s disease may seem an unlikely pairing, but researchers have found a strong link between the two. Further investigation into data from several older studies — specifically the Health Professionals Follow-up Study and the Nurses’ Health Study — together covering about 132,000 men and women, found that people whose parents or siblings had  melanoma are nearly twice as likely to develop Parkinson’s.

The lead author of the study, Xiang Gao, MD, PhD, of Harvard Medical School, has long been investigating how melanin, which creates pigmentation, relates to Parkinson’s disease. He speculates that the two diseases share common genetic components. In a previous study, Dr. Gao found that having light hair (a known risk factor for melanoma) puts people at twice the risk for Parkinson’s. Dark-skinned races have the lowest incidence of Parkinson’s, while Caucasians are at the highest risk. Read more

Health care reform is proceeding toward the president’s desk, likely to become law in the new year.

Supporters promise the bill will cut costs and extend coverage.

But here’s the real test: What will the trillion-dollar expense of this bill actually buy? Will it improve America’s health? My guess: No. Read more

Want to keep your eyesight sharp as you age? Eating lots of fish packed with healthy omega-3 fatty acids could help, new research suggests.

Among 1,837 people who had early signs of age-related macular degeneration (AMD), those with the highest consumption of omega-3 fatty acids were 30 percent less likely to progress to the advanced form of the disease over a 12-year period than those with the lowest omega-3 intake, researchers found. Read more

HFA recently ran an article on a study stating that one third of all Americans are caregivers. During this holiday season we would like to say thank you and remind our members that many family caregivers experience holiday blues due to legitimate emotional and spiritual needs. If caregivers understand these needs, holiday blues can be managed. Read more

Would it be a demographic catastrophe if people were able to live significantly longer, or even became immortal?

This is not an idle concern, or merely fodder for science fiction–like Logan’s Run, in which they not only don’t distrust people of 30, they kill them, or Soylent Green, in which the dead become food. In the real world, policy makers are increasingly concerned about whether we can afford our aging population. The baby boomers, of which I am a proud charter member, were born between 1946 and 1960. During this period–all those GIs back from World War II–the U.S. fertility rate was twice its 20th century average. Today we constitute almost one-quarter of the population. Read more

Why does a human baby need a full year before it can start walking, while a newborn foal gets up on its legs almost directly after birth? Scientist have assumed that human motor development is unique because our brain is unusually complex and because it is particularly challenging to walk on two legs. But now a research group at Lund University in Sweden has shown that human babies in fact start walking at the same stage in brain development as most other walking mammals, from small rodents to elephants.

The findings are published in the journal PNAS. Read more

If you paint, dance or play a musical instrument — or just enjoy going to the theatre or to concerts — it’s likely that you feel healthier and are less depressed than people who don’t, a survey of nearly 50,000 individuals from all socio-economic backgrounds from a county in mid-Norway shows.

The findings are drawn from the latest round of studies conducted for the Norwegian University of Science and Technology’s (NTNU) Nord-Trøndelag Health Study, or HUNT, which used questionnaires, interviews, clinical examinations and the collection of blood and urine samples to assemble detailed health profiles of 48,289 participants.

“There is a positive relationship between cultural participation and self-perceived health for both women and men, “says Professor Jostein Holmen, a HUNT researcher who presented the findings, which have not yet been published, at a Norwegian health conference in Stjørdal in late November. “For men, there is also a positive relationship between cultural participation and depression, in that there is less depression among men who participate in cultural activities, although this is not true for women.”

But what surprised the medical researcher was that these findings held true no matter the individual’s socio-economic status — whether truck driver or bank president, participating in some way in the arts, theatre or music, as player or participant, had a positive effect on that individual’s sense of health and well-being.

The new findings were controlled for socioeconomic status, chronic illness, social capital, smoking and alcohol. However, Holmen also reported that the same sense of well-being in people who participate in cultural activities that seemed to protect them from depression did not appear to have the same beneficial effect on anxiety.

Holmen cautioned that the association between health and cultural activities is not strong enough to enable him to say that culture actually makes people healthy. Nevertheless, the researcher says the findings ought to challenge politicians to think differently about health. Steinar Krokstad, HUNT’s director and an associate professor at NTNU, agreed.

“We in the health services do not always have control over the most effective preventive tools given the range of today’s illnesses. We need to increasingly focus on opportunities rather than on risk,” Krokstad said.

http://www.sciencedaily.com/releases/2009/12/091215160651.htm?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+sciencedaily+%28ScienceDaily%3A+Latest+Science+News%29&utm_content=Google+Reader

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