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

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 ...

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

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 ...

I never expected to get my hormone levels checked at CES 2026, let alone with my iPhone, but then this huge tech show is full ...

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 ...

Men who are tipping the scales might want to get their testosterone levels checked, according to a new study showing obese mean are more likely than others to have low levels of this sex hormone.

Daniel Kelly does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond their ...

"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 ...