Medically reviewed by Danielle Weiss, MD PCOS is the most common cause of high testosterone in women, affecting about 10% ...

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

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 ...