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 ...

You might think it’s just stress that’s lowering your sex drive and making you feel tired or down, but it could in fact be low testosterone (also called male hypogonadism). Here are four common ...

What Is Low Testosterone (Testosterone Deficiency)? 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 ...

Low testosterone causes more than just problems with sex drive. It can also affect your mood, sleep, and energy levels, which can disrupt your quality of life and relationships. If you want to keep ...

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 ...

This article was reviewed by Darragh O’Carroll, MD. PSA and Testosterone: Are They Linked? Prostate-specific antigen (PSA) is ...

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 ...

Dr. Helen Bernie said on a Dec. 10 panel hosted by the U.S. Food and Drug Administration that serum testosterone "is one of ...

Here’s what science actually shows about declining testosterone in young adults, and why treatment is rarely the first answer.

Everyone produces testosterone, regardless of sex. Not only is it a pivotal hormone in development (particularly for males) and for masculine characteristics, it's also essential for muscle growth, ...

No amount of sleep is enough. Sex is much less interesting than it used to be. You wonder if you have depression. At work, you aren’t as sharp as you used to be, and struggle to focus throughout the ...