FOR years, Dr Max Draper admits he was living under a “relentless and unforgiving” fog. The 39-year-old suffered headaches, ...

In a breakthrough that could reshape the future of family planning, scientists at Cornell University have taken a significant ...

A growing outbreak of meningococcal meningitis in the UK, linked to young people and a specific event, has led to serious ...

Should you really run on a hangover and why are some people able to perform better when they're worse for wear? Experts explain.

Low testosterone is not associated with moderate progression. (HealthDay News) — Low testosterone levels may increase the risk of higher-grade “extreme” progression of prostate cancer among men ...

In a T-rrible slump? As the primary male sex hormone, testosterone is essential for maintaining libido, erectile function, bone density and muscle mass. Men generally reach peak testosterone in their ...

Testosterone is often reduced to one thing, sexual health. But that’s only a part of the picture. This hormone plays a role in muscle strength, bone density, mood, memory, and even how the body stores ...

The connection between testosterone and well-being is weaker than many people think. Although there are clear health ...

Energy doesn’t just disappear for no reason. When focus drops, sleep turns restless, and motivation feels like it packed up and left, something underneath the surface usually drives the change.

Q. My poor daughter has been suffering ever since menopause. Her muscles are weak and she feels tired, but she can’t sleep ...

Fueled by the manosphere, men are boosting their testosterone levels through natural and synthetic means, with some competitively swapping test results on a regular basis. Mark Holman was skinny and ...

This article was made possible by the support of Yakult and produced independently by Scientific American’s board of editors. More than 20 years after menopausal hormone therapy fell out of favor, it ...