Testosterone is the quintessential male hormone (androgen), and it’s a busy one, helping to regulate intimate function, muscle mass, red blood cell count, mood, and more. But not all testosterone in ...

Sun, January 11, 2026 at 1:56 PM UTC If you’ve ever had your testosterone levels checked, you may have come across two different numbers: one for free testosterone and the other for total testosterone ...

If you’ve been feeling a little low in more than one aspect of life, you’re not alone, and chances are you’re not going crazy, either. You may be experiencing the symptoms of low testosterone.

Matt Kaeberlein, a longevity researcher, started TRT in his 50s. He said stigma and lack of information can make the process confusing.

Please provide your email address to receive an email when new articles are posted on . Men who used dulaglutide, semaglutide or tirzepatide had a rise in free testosterone after starting treatment.

Please provide your email address to receive an email when new articles are posted on . “The findings of this study suggest high plasma levels of testosterone could play a role in the pathogenesis of ...

"Low-fat diets appear to decrease testosterone levels in men, but further randomized controlled trials are needed to confirm this effect," the authors of a meta-analysis of six small intervention ...