What are normal testosterone levels by age? An older photographer mentors a younger one. Testosterone is an important hormone. It helps men develop during puberty, and as they age, it plays a critical ...

Certain healthy foods and supplements may negatively impact testosterone levels when consumed in excess, according to experts ...

Masculine stereotypes tend to suggest that the manliest diets are ones high in protein. Manly men love meat, happily down raw eggs à la Gaston from Beauty and the Beast and fuel up on protein shakes ...

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 is a naturally occurring steroid hormone. Despite its status as a steroid, prescription testosterone replacement ...

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

Researchers looking into the interplay between hormones and ethics discovered something that will shock nobody who dates men: that those with high testosterone levels end up being bigger jerks. The ...

ATLANTA — There have been a lot of questions after two medal contenders for Namibia were disqualified from competing in the women's 400-meter race because their natural testosterone levels were too ...

Testosterone is an important hormone. It helps men develop during puberty, and as they age, it plays a critical role in helping control fat levels, cholesterol, and glucose levels. Testosterone ...