NEW HAVEN, Connecticut, Jan. 9 -- Yale University issued the following news:

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What Is a 'Normal' Resting Heart Rate?

A Yale Medicine cardiologist explains the meaning behind the number.

By Carrie Macmillan

You might check your heart rate on your smartwatch or take your pulse during a workout, but aside from measuring your aerobic fitness level, you may not know what those numbers reveal about your overall health.