Testosterone is a hormone that supports muscle mass, bone strength, mood, cardiovascular health, and intimate health. Low testosterone can contribute to symptoms like fatigue, … ...

While testosterone drops off in midlife, there are natural ways to increase it - Getty Testosterone is a vital hormone that’s crucial for so many functions. It is responsible for growth, repair and ...

Testosterone levels peak during male puberty and decline with age in both males and females. With low testosterone in males, you can have a decreased sex drive, trouble with erections, and low sperm ...

Numerous factors -- including body mass index (BMI), lifestyle, relationship status, and a number of disease states -- were tied with declining testosterone levels in men over 70, researchers found.

Sept. 5, 2012 -- Dads who sleep in the same bed as their children may see a drop in their testosterone levels, a study shows. "This is the first study that's ever been done on this," says researcher ...

No one would accuse the men of the Tsimane tribe of Bolivia of being anything less than manly, given their hunter-gatherer lifestyle. But new research suggests that Tsimane tribesmen have a third less ...