You track your VO2 max and working heart rate, but this underrated biometric may tell you more about your heart and long-term ...

Sitting quietly at your desk, watching TV, or lying in bed at night, your heart should be taking it easy – beating steadily and calmly at somewhere between 60 and 80 beats per minute for most healthy ...

Your heart rate is the number of times your heart beats in a minute—while it may not stay the same due to changes in response to things like your activity level and emotional state—going high can be ...