Researchers are unlocking the mysteries of how low testosterone is related to men's overall health. Along the way, they're uncovering connections between low testosterone and other health conditions.

It checks the level of testosterone in your blood. Your doctor uses it to diagnose conditions caused by too much or too little testosterone. That’s a hormone produced in a man’s testes. Women make ...

From social media influencers to telehealth clinics, men are being told testosterone is the answer to all their problems. Doctors say it’s a dangerous lie.

Add Yahoo as a preferred source to see more of our stories on Google. Testosterone may be a key indicator of men's heart health and longevity, new research suggests.andreswd/Getty Images A study of 24 ...

If you’re taking finasteride — or the brand name versions Propecia or Proscar — you’re probably checking your hairline for changes. But there might be something else you’re worried about changing: ...

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 ...

This article was reviewed by Felix Gussone, MD. Key Takeaways: In the U.S., testosterone is a controlled substance, so you’ll ...

Can boosting testosterone improve libido, or is much of the attention solely hype, profit, and placebo?

Testosterone has become the new hustle hormone. Scroll through social media for five minutes and you’ll see men crediting weekly injections for sharper focus, bigger lifts, stronger sex drives, and ...