As men age, their testosterone levels decrease, but prior studies of the effects of administering testosterone to older men have been inconclusive. Now, research shows that testosterone treatment for ...

Higher testosterone levels during adolescence are associated with increased involvement of the brain's anterior prefrontal cortex (aPFC) in emotion control, but the opposite effect occurs during ...

(HealthDay News) — Testosterone treatment may offer moderate benefit in improving sexual function in older men, but further research is needed to establish possible risks, according to research ...

A new study published in Proceedings of the Royal Society B challenges the widely held belief that fluctuations in ...

In my previous article “Hormones and Fitness” published in the June 7 edition, I provided you with a flyover of the general roles of three of our master hormones: Testosterone, insulin, and cortisol.

Welcome to Testosterone HQ—Men's Health's guide to the exciting, complicated, and revolutionary world of testosterone. For everything you need to know about T, click here. Testosterone is a hormone ...

NEW YORK (Reuters Health) - Healthy older men who given large doses of testosterone show increases in muscle mass and power, but no improvement in physical function, a new study shows. This was likely ...

Transgender and transmasculine folks looking to achieve and sustain certain changes often use testosterone therapy long term. Here’s what to expect. Testosterone is a hormone that naturally exists in ...

New results from a large study are reassuring, but questions remain about long-term safety, and about use by men without medical conditions. By Roni Caryn Rabin The largest study ever done to evaluate ...