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

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

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

Independent analysis examines what published KSM-66 ashwagandha research shows at clinically studied dosages, where Testosil ...

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

A zoo in Poland shared video of a tiny muntjac deer facing off with a massive -- and luckily patient -- rhinoceros in their ...

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 ...

The Supreme Court will decide whether states can ban transgender girls from participating in girls and women's sports under ...

The Supreme Court on Tuesday will hear a case that could affect laws in 27 states that bar transgender athletes from joining ...

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

Two transgender sports cases about to be heard back-to-back by the Supreme Court this week will weigh the biological ...

On Tuesday, the justices will hear oral arguments about Idaho and West Virginia laws that restrict those born male from ...