I Ran 30 Miles Testing 5 Smartwatches to Find Out Which One You Can Actually Trust ...

Personalizing overnight fasting by stopping food intake three hours before sleep improves blood pressure and blood sugar control without calorie counting.

Fitness trackers and smart watches are widely popular wearable devices that measure several types of health metrics, including step count, calories burned, sleep quality, Vo2 max and heart rate. As a ...

The rhythmic beating of your heart tells a more complex story than most realize. While standard health assessments typically focus on heart rate, the subtle variations between individual heartbeats ...

When one partner is stressed, the other feels it too—not just emotionally, but on a biological level. New research on heart rate synchronization helps explain how.