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

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

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

We also know that within normal ranges, testosterone levels are not strongly predictive of aggression. In the amygdala, a brain region central to aggression, testosterone rarely causes peacefully ...

Daniel Kelly does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond their ...

KYZATREX ® is a controlled substance (CIII) because it contains testosterone. It is not known if KYZATREX ® is safe or effective in males younger than 18 years old. Improper use may affect bone growth ...

The battle over the legality of bans on trans athletes raises greater questions around privacy and sex discrimination in ...

For more than 80 years, men have been told that testosterone helps prostate cancer grow. But a very different picture has ...

Jelly Roll is crediting his weight loss for improving his sex life with wife Bunnie Xo. “My testosterone level — and I’m cool ...

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

In a yearlong interview with Men's Health, Jelly Roll opens up about his struggles with addiction, topping the scales at more ...

“Sometimes, a little bit of facial hair, specifically chin hair, can be normal,” said Dr. Divya Sistla, an endocrinologist at ...