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Life Extension

Older Age Does Not Cause Testosterone Levels To Decline In Healthy Men

June 9, 2011 Life Extension

A decline in testosterone levels as men grow older is likely the result — not the cause — of deteriorating general health, say Australian scientists, whose new study finds that age, in itself, has no effect on testosterone level in healthy older men.
The results, presented June 6 at The Endocrine Society’s 93rd [...]

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How Vitamins And Minerals May Prevent Age-Related Diseases

May 31, 2011 Life Extension

Severe deficiency of the vitamins and minerals required for life is relatively uncommon in developed nations, but modest deficiency is very common and often not taken seriously. A new research published online in the FASEB Journal, however, may change this thinking as it examines moderate selenium and vitamin K deficiency to show how damage accumulates over time as a result of vitamin and mineral loss, leading to age-related diseases.

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Mouse Study Turns Fat-Loss/longevity Link On Its Head

May 5, 2011 Life Extension

Since the 1930s scientists have proposed food restriction as a way to extend life in mice. Though feeding a reduced-calorie diet has indeed lengthened the life spans of mice, rats and many other species, new studies with dozens of different mouse strains indicate that food restriction does not work in all cases.

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Tai Chi Appears To Benefit Quality Of Life For Patients With Chronic Heart Failure, Study Finds

May 2, 2011 Cardiovascular Research

Tai chi exercise appears to be associated with improved quality of life, mood and exercise self-efficacy in patients with chronic heart failure, according to a report in the April 25 issue of Archives of Internal Medicine, one of the JAMA/Archives journals.

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Tai Chi Beats Back Depression in the Elderly, Study Shows

March 23, 2011 Cognitive Function

The numbers are, well, depressing: More than 2 million people age 65 and older suffer from depression, including 50 percent of those living in nursing homes. The suicide rate among white men over 85 is the highest in the country — six times the national rate. And we’re not getting any younger. In the next 35 years, the number of Americans over 65 will double and the number of those over 85 will triple.

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Eating Apples Extends Lifespan Of Test Animals By 10 Percent

March 10, 2011 Life Extension

Scientists are reporting the first evidence that consumption of a healthful antioxidant substance in apples extends the average lifespan of test animals, and does so by 10 percent. The new results, obtained with fruit flies — stand-ins for humans in hundreds of research projects each year — bolster similar findings on apple antioxidants in other animal tests.

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Herbal Teas May Provide Health Benefits

March 2, 2011 Life Extension

Those who enjoy the caffeinated lift that comes from drinking traditional coffees and teas may tend to overlook the benefits of drinking herbal infusions. Now, as explained in this month’s issue of Agricultural Research magazine, the idea that herbal teas may provide a variety of health benefits is no longer just folklore.

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Fountain Of Youth from the Tap? Environmental Lithium Uptake Promotes Longevity, Scientists Demonstrate

February 21, 2011 Life Extension

A regular uptake of the trace element lithium can considerably promote longevity. This is the result of a new study by scientists of Friedrich Schiller University Jena. Professor Dr. Michael Ristow’s team along with Japanese colleagues from universities in Oita and Hiroshima have demonstrated by two independent approaches that even a low concentration of lithium leads to an increased life expectancy in humans as well as in a model organism, the roundworm Caenorhabditis elegans.

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When Less Is More: How Mitochondrial Signals Extend Lifespan

January 8, 2011 Life Extension

In making your pro-longevity resolutions, like drinking more red wine and maintaining a vibrant social network, here’s one you likely forgot: dialing down your mitochondria. It turns out that slowing the engines of these tiny cellular factories could extend your life-an observation relevant not only to aging research but to our understanding of how cells communicate with each another.

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Eating Healthier Means Living Longer

December 23, 2010 Life Extension

The leading causes of death have shifted from infectious diseases to chronic diseases such as cardiovascular disease and cancer. These illnesses may be affected by diet. In a study published in the January 2011 issue of the Journal of the American Dietetic Association, researchers investigated empirical data regarding the associations of dietary patterns with mortality through analysis of the eating patterns of over 2500 adults between the ages of 70 and 79 over a ten-year period.

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‘Un-Growth Hormone’ Increases Longevity, Researchers Find

December 23, 2010 Life Extension

A compound which acts in the opposite way as growth hormone can reverse some of the signs of aging, a research team that includes a Saint Louis University physician has shown. The finding may be counter-intuitive to some older adults who take growth hormone, thinking it will help revitalize them.Their research was published in the Dec. 6 online edition of the Proceedings of the National Academy of Sciences.

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Free Radicals Good for You? Banned Herbicide Makes Worms Live Longer

December 21, 2010 Life Extension

It sounds like science fiction – Dr. Siegfried Hekimi and his student Dr Wen Yang, researchers at McGill’s Department of Biology, tested the current “free radical theory of aging” by creating mutant worms that had increased production of free radicals, predicting they would be short-lived. But they lived even longer than regular worms! Moreover, their enhanced longevity was abolished when they were treated with antioxidants such as vitamin C.

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