A viral Twitter post from April 9 claims testosterone levels have dropped by almost 50% over the past 20 years. "Here's a cheery Friday fact," reads the post. "An average 22 year-old (sic) male today ...

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

Advertisements for treatments for “low T,” or low testosterone levels in middle-aged and older men, have led to spikes in demand. But the safety and legitimacy of those testosterone therapies hasn’t ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Welcome to Testosterone HQ—Men's Health's guide to the exciting, complicated, and revolutionary world of ...

What are normal testosterone levels by age? An older photographer mentors a younger one. Testosterone is an important hormone. It helps men develop during puberty, and as they age, it plays a critical ...

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 ...

With the prevalent use of opioids in the treatment of acute and chronic pain, the effect on the hypothalamus is often overlooked. Fatigue, low libido and decline in mental function are frequently ...

Young adult male sitting on a bed with both hands holding his head seemingly having a headache. As men get older, declining testosterone levels are as inevitable as death and taxes. Around the age of ...

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 ...