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

Historically, I haven't been great about managing my stress and anxiety, so whenever I come across a video or article about cortisol imbalances, my interest is piqued. Since cortisol is also called ...

You already know when you are feeling highly stressed, but low-grade background stress is harder to detect. A new dental flosser from researchers at Tufts University aims to make it easier by ...