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

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 ...

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 ...

New U.S. dietary guidelines for the first time include advice for men on maintaining healthy testosterone levels.

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 ...

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 ...

Whenever one experiences growth hormones, peptide hormones, thyroid hormones, stress hormones or sex hormones, the body's chemical messengers play a key role in many essential bodily functions and ...

Starting around age 40, many men notice the first physical changes that may be related to their hormone levels: Energy wanes ...

Testosterone levels typically decline as a person ages, but some may have low testosterone due to certain health conditions. People may wish to use an at-home testosterone test to monitor their ...