This article was reviewed by Felix Gussone, MD. If you’ve been feeling a bit more couch potato than go-getter lately, dragging through the day, snapping at people for no reason, or wondering where ...

Learn how testosterone therapy works step by step, including diagnosis, treatment options, monitoring, and potential risks ...

This article was reviewed by Felix Gussone, MD. Key Takeaways: Testosterone does more than drive puberty. It influences drive ...

It checks the level of testosterone in your blood. Your doctor uses it to diagnose conditions caused by too much or too little testosterone. That’s a hormone produced in a man’s testes. Women make ...

We include products we think are useful for our readers. If you buy through links on this page, we may earn a small commission. Here’s our process. An at-home testosterone test can help people monitor ...

Like women, many men also experience hormonal changes in midlife, albeit more gradually. Photo: Getty Images / Jun Starting around age 40, many men notice the first physical changes that may be ...