Testosterone remains an important hormone for men's health, but it is not the sole determinant of energy, strength, or ...

Older men whose testosterone levels drop or are medically suppressed face a measurably higher risk of age-related macular ...

Testosterone is far more than a reproductive hormone—it shapes nearly every aspect of men's health, from muscle and bone strength to cardiovascular protection and cognitive performance. This review ...

Learn why the FDA is asking to update testosterone replacement therapy labels after a major review of new evidence.

Visit NAP.edu/10766 to get more information about this book, to buy it in print, or to download it as a free PDF.

With age comes wisdom — and hormonal changes. Conan O’Brien found that out after an unexpected exchange revealed a surprising ...

Fatigue, weight gain, or waning motivation are often dismissed as normal signs of aging. In fact, they may indicate andropause—a gradual hormonal change that many men are barely aware of.

NEW YORK (Reuters Health) - Testosterone supplements may make aging men feel and look better, but the results of a study conducted in rats suggest that it could lead to kidney damage and worsen high ...

NEW YORK (Reuters Health) - Treatment with testosterone can help curb the gain in abdominal fat as well as the loss of skeletal muscle seen in non-obese aging men, according to a new study. "Though ...