View this interactive chart on Fortune.com Smartwatches ... to be beneficial in not only lowering resting heart rate in times ...

Sinus tachycardia refers to a faster-than-usual heart rhythm. It may occur with exercise, anxiety, or stress, but it can ... which results in a heart rate of 60 to 100 beats per minute.

Ways of lowering the heart rate include breathing and relaxation techniques, exercise, vagal maneuvers, dietary choices, and stress management. A person’s heart rate, or pulse rate, refers to ...

“It’s a more meaningful metric because it gets at the core issue of capturing the heart’s capacity to adjust under stress as physical ... counts and daily heart rate — researchers believe ...

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