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. As a refresher, testosterone ...

Testosterone is the primary androgen — or male hormone — in your body. Low testosterone affects up to 39 percent of adult men in the US over the age of 45, and becomes increasingly prevalent as men ...

Pete Hegseth's Pentagon testosterone screening mandate has men asking whether their levels are normal. Here's what doctors ...

You don’t have to look far to find a new testosterone clinic, or T clinic, popping up. While many of these jump right into replacement therapy, they often don't uncover why testosterone is low, a ...

The Pentagon's new testosterone screening policy will test troops over 30. A doctor explains what the research shows about ...

This article was reviewed by Felix Gussone, MD. Low Testosterone and Joint Pain: What’s the Connection? Your knees, ankles, hips, and shoulders ache, and you don’t know why. Joint pain can have many ...

Feeling tired all the time? Losing muscle despite working out? Struggling with low energy or a reduced sex drive? Many men ...

The U.S. military’s new testosterone-screening protocol directly supports its focus on human performance optimization.

Doctors raised a range of concerns about a testosterone screening policy announced by Defense Secretary Pete Hegseth, which ...