Low testosterone, also known as “Low T,” is a common condition in men as they get older. Testosterone levels peak around age 30 and naturally decline with age. However, because the decline is gradual, ...

Recent studies have spotlighted the role of testosterone in preventing type 2 diabetes, highlighting its age-specific protective effects that could shift current approaches to metabolic health. While ...

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 ...

Total testosterone measures the full amount of the hormone in your blood, while free testosterone represents the small, ...

Genetics play a role in low testosterone for some men, but underlying causes vary widely. Many genes influence testosterone ...

Higher testosterone levels during adolescence are associated with increased involvement of the brain's anterior prefrontal cortex (aPFC) in emotion control, but the opposite effect occurs during ...

Middle-age and older men with large waist circumferences and low/normal testosterone levels don’t gain better vascular health when using cream to replace the hormone, but they do stand to benefit from ...

As men age, their testosterone levels decrease, but prior studies of the effects of administering testosterone to older men have been inconclusive. Now, research shows that testosterone treatment for ...