Wearable devices have made health data tracking routine, with many men now tracking their daily readiness or recovery scores, often without a clear sense of what those scores represent. Smartwatches ...

Rumer Willis discusses women's hormone health, self-advocacy, and why better education and access to reproductive health ...

Testosterone may play a bigger role in the emotional development of girls entering puberty than previously thought, according ...

Caffeine, late-night exercise and ultraprocessed foods may spike cortisol levels. A dietitian explains what actually triggers ...

Cortisol is bad. Testosterone makes you aggressive. Melatonin helps you sleep. Experts bust common hormone myths ...

Researchers found that while the menstrual cycle changes heart rate variability (HRV), it does not significantly affect muscle strength, mood, or motivation.

They discovered that testosterone, a hormone traditionally associated primarily with male development, plays a dominant, ...

Imagine an ordinary Tuesday. You wash your hair, put on deodorant, drink coffee, pack lunch in a plastic container and ...

People with anorexia nervosa have unusually high levels of a hormone called LEAP2 in their blood when they are in the acute ...

Many people believe that the water bottle left in their car is safe to drink. But research suggests otherwise, as drinking ...

Now it’s a credential in a fast-growing, $10 billion-plus market with little top-down competition for an “underdiagnosed and ...