As the primary male hormone, or androgen, testosterone regulates various aspects of your growth and development as a man. Testosterone plays a central role in shaping both your physical ...

This article was reviewed by Kelly Brown, MD. Whether you played a sport in high school, college or even at the professional ...

Historically, testosterone has been associated with masculinity. Someone having high levels of testosterone was shorthand for perceived higher levels of aggression, strength, and libido. However, ...

In a T-rrible slump? As the primary male sex hormone, testosterone is essential for maintaining libido, erectile function, ...

Fueled by the manosphere, men are boosting their testosterone levels through natural and synthetic means, with some ...

A small study by the University of Worcester found high-protein diets may decrease men's testosterone levels. Researchers fed 309 subjects a diet heavy in meat, fish, eggs, and protein shakes for ...

Testosterone plays a central role in shaping both your physical characteristics and reproductive functions, like your growth, sperm production, muscle mass, and deeper voice. It also influences your ...