Men’s testosterone levels have fallen by half in last 50 years, scientists warn - Environmental factors like ...

HORMONE EXPERTS AGREE on a few things: Low T can cause symptoms including ED, low libido, and exhaustion. (Low T is often defined as anything under 300 nanongrams per deciliter (ng/dL). They say that ...

Testosterone is the quintessential male hormone (androgen), and it’s a busy one, helping to regulate intimate function, muscle mass, red blood cell count, mood, and more. But not all testosterone in ...

Sun, January 11, 2026 at 1:56 PM UTC If you've ever had your testosterone levels checked, you may have come across two different numbers: one for free testosterone and the other for total testosterone ...

EXCLUSIVE: Dr Jeff Foster, one of the UK's leading experts in the male sex hormone picks apart the myths and explains what ...

When it comes to understanding testosterone levels, traditional testing reports one number: total testosterone. But there's more to the story, especially for men who may be experiencing symptoms of ...

Testosterone therapy, which mimics the natural hormone our bodies make, comes in many forms — from nasal gels and oral ...

Higher testosterone levels were significantly associated with a lower prevalence of radiographic knee osteoarthritis (RKOA) and a lower risk for chronic knee pain (CKP) in women but not in men in a ...

Males with low testosterone levels may experience issues with their sexual health and overall well-being. This can include reduced sex drive and sperm count, bone and muscle mass loss, and fatigue. It ...

Getting testosterone therapy without the right medical care is a growing problem. Here's how to know if you need TRT, and what the risks are.

Welcome to Testosterone HQ—Men's Health's guide to the exciting, complicated, and revolutionary world of testosterone. For everything you need to know about T, click here. HORMONE EXPERTS AGREE on a ...