Getting a high testosterone reading offers bragging rights for some men of a certain age, and may explain in part the appeal of testosterone supplements. But once you are within a normal range, does ...

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

Testosterone therapy is on the rise as men seek more energy and vitality, revealing shifting views on aging and modern ...

Everyone's talking about testosterone lately, but do we really know what it is? It's a hormone produced primarily in the ...

What used to be a niche treatment for men with legitimate medical conditions has morphed into "youth and vigor" as a ...

We also know that within normal ranges, testosterone levels are not strongly predictive of aggression. In the amygdala, a ...

While the sex hormone testosterone tends to be most associated in people’s minds with the development of male characteristics and a healthy desire for sex in both men and women, it plays other roles ...

A growing number of women are taking testosterone. Mom of four Alixa Winn started injecting testosterone when she was 35. She tells Inside Edition that she got a boost in energy within months of ...