Genetics play a role in low testosterone for some men, but underlying causes vary widely. Many genes influence testosterone ...

These cells produce testosterone from cholesterol molecules, a process called steroidogenesis. In an older 2012 study on mice, researchers found that applying apigenin to isolated Leydig cells might ...

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

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

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

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