Biologists working with fruit flies activated a gene called PGC-1, which increases the activity of mitochondria, the tiny power generators in cells that control cell growth and tell cells when to…

Higher levels of testosterone have been associated with reduced lean muscle mass loss in older men, especially in those who were losing weight. In thoese men, higher testosterone levels were also…

Women often gain weight as they age and a new study in Cell Metabolism says the sex hormone estrogen, and estrogen receptor-α (ERα) has an important yet under-appreciated role in those bigger…

A study out tomorrow in Nature by researchers from the Institute of Healthy Ageing at the University College of London and colleagues is questioning the anti-aging effects of sirtuin – which is “…

Does playing music lead to less age-related hearing problems or do people without hearing problems continue to play music? Hearing studies have shown that trained musicians have highly developed…

Around 27 million Americans have arthritis, three million of which began with a joint injury that provokes slow and steady cartilage deterioration. A new study from MIT suggests that glucocorticoid…

Successful aging and positive quality of life indicators correlate with sexual satisfaction in older women, according to a report in the Journal of the American Geriatric Society which also shows…

Weakened immunity is a serious issue for older people. Because our immune systems become less effective as we age we suffer from more infections and these are often more severe. This is an important…

There was a time when I could hide my gray hairs with some strategic combing. Now, I have succumbed and describe my new hair color as “executive blond.” Of course, that also means that the important…

A new study in Cell shows that Wnt signaling, already known to control many biological processes, between hair follicles and melanocyte stem cells can dictate hair pigmentation. Using genetic mouse…