Milliseconds of variability, now detected by fitness watches, can improve well-being Earlier this year I got an Oura ring to ...

March 2020. The world is locked down, masks are currency, and Billy Gardell America’s favorite sitcom dad, the guy who made ...

There’s no formula to tell you when you are exercising too much. Some well-conditioned people can train hard five days a week ...

Abstract: Fast and accurate identification of mental stress is critical to reducing its risk to human health and the related consequences in industry. This study proposed a bispectrum-based feature to ...

Abstract: Stress is a feeling of being overwhelmed or unable to cope with emotional or mental pressure. An individual under stress can have physical symptoms, such as high blood pressure, chest pain, ...

You glance at your heart rate monitor during a tough run and an unusually high number jumps out at you. Should you be excited or concerned?