The country music star revealed that Testosterone Replacement Therapy has played a key role in his weight-loss journey. Here's how.

This article was reviewed by Felix Gussone, MD. Key Takeaways: Testosterone does more than drive puberty. It influences drive ...

This article was reviewed by Felix Gussone, MD. Key Takeaways: Hormones play a major role in regulating metabolism, mood, ...

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, ...

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 ...

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 ...

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 ...

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 ...

Testosterone declines gradually, and the signs are easy to overlook or misinterpret. Here’s how doctors evaluate hormone levels and what to consider before pursuing therapy.