"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." WORKING OUT REGULARLY has a profound effect on all aspects of your health, including your heart and ...

Whether you’re a weekend trail runner, a rugby forward, or a tennis player grinding through a fifth set, testosterone is working behind the scenes. Beyond its well-known role in muscle development, ...

Testosterone declines gradually, and the signs are easy to overlook or misinterpret. Here’s how doctors evaluate hormone ...

Twelve weeks of aerobic exercise significantly boosted testosterone levels in overweight and obese men, with the greatest increases seen among vigorous exercisers, according to research presented ...

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

Liberals wax about an epidemic of toxic masculinity. Leaders of the manosphere and some in the Trump administration have a ...