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 ...

As a urologist specializing in men’s sexual health, I am asked all kinds of questions about testosterone levels—who needs to have them checked, when to check, and how often—including questions about ...

Videos promoting #testosteronemaxxing are racking up millions of views. Like “looksmaxxing” or “fibremaxxing” this trend ...

Hormones like testosterone, cortisol, melatonin, and more directly influence men’s mood, energy, and sleep quality. Hormonal ...

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

DEAR MAYO CLINIC: I'm a 56-year-old man without any health problems. Recently, I've noticed I don't have the energy for physical activities that I used to. Working in the yard, riding my bike and even ...

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 ...

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 ...

DEAR MAYO CLINIC: I'm a 56-year-old man without any health problems. Recently, I've noticed I don't have the energy for physical activities that I used to. Working in the yard, riding my bike and even ...

"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 ...