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

Psychological stress has historically been viewed as less important than other heart disease risk factors because it is difficult to measure. Chronic stress can impair the ability of arteries to ...

Garmin and Whoop devices (among others) display a stress score, but the science doesn't really add up. Here's how to actually make those scores useful.

It’s common advice to drink more water for energy, appetite control and clearer skin – but researchers have now demonstrated that hydration plays an even deeper role in health. It influences how our ...

Managing stress is more than just a mental challenge. It is directly tied to your physical health, particularly your cardiovascular system. The relationship between stress and blood pressure has ...

Cortisol is a hormone that naturally occurs in your body, but can cortisol supplements really reduce stress? We asked experts to find out. Joshua Cox-Steib is a sociologist and freelance writer. He ...