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 ...

Testosterone levels peak for males during puberty and decline with age in all genders. With low testosterone in males, you can have a decreased sex drive, trouble with erections, and low sperm count.

Testosterone is an important hormone. It helps men develop during puberty, and as they age, it plays a critical role in helping control fat levels, cholesterol, and glucose levels. Testosterone ...

Something keeps happening to men’s hormones. Across nearly 50 years and five countries, testosterone levels have fallen ...

Testosterone is a sex hormone that regulates a number of processes in the human body, including fertility, sex drive, bone mass, fat distribution, muscle mass, and red blood cell production.

Angela Myers is a freelance writer covering mental health, wellness and nutrition. She’s also conducted award-winning research on how to better communicate about sexual violence prevention and mental ...

“You shouldn't focus too narrowly on nonspecific symptoms or a test result. Symptoms such as fatigue or depression seem to be due to other things than low testosterone levels, such as age, lifestyle, ...

Add Yahoo as a preferred source to see more of our stories on Google. “Testosterone levels are affected by exercise, but ongoing work is needed to really understand what is happening,” says Edward ...

The Tiredness That Sleep Cannot Fix Most men notice it first as an energy problem. They sleep seven or eight hours and wake ...

Federal officials may remove warnings on testosterone therapy drugs about heart and prostate risks, which could expand access ...

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. People may take a testosterone test if they ...