New U.S. dietary guidelines for the first time include advice for men on maintaining healthy testosterone levels.

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

Three forms of testosterone are found in serum: sex hormone-binding globulin (SHBG)-bound (60%-70% of total), albumin-bound (20%-30% of total), and free (1%-3% of total). SHBG-bound testosterone is ...

Starting around age 40, many men notice the first physical changes that may be related to their hormone levels: Energy wanes ...

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

The number of men who take testosterone has dropped dramatically in the past few years, in part because of growing awareness of the risks that may accompany it. Should you avoid it? Testosterone, a ...

Testosterone propionate was once a common treatment for men with low testosterone. It’s a synthetic version of the naturally occurring hormone. This solution and other drugs that mimic testosterone ...