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

In this era of fitness trackers, we have easy access to our heart rate at any given moment. Every so often, a number catches ...

We may earn a commission if you make a purchase through one of our links. McClatchy newsrooms were not involved in the creation of this content. As you grow older, your health issues can increase, and ...

Beth Skwarecki is Lifehacker’s Senior Health Editor and has been writing about health, fitness, and science here since 2015. Beth was the recipient of the 2017 Carnegie Science Award in science ...

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 ...

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Whether brought on by stress, physical activity, or an extra cup of joe in the morning, most of us have all felt our heart rate quicken at one time or another. However, a lower resting heart rate ...