For adults, a normal resting heart rate is between 60 and 100 beats per minute. To measure your heart rate, place two fingers on your wrist or neck, count the beats for 15 seconds, then multiply by ...
From Apple Watches to Fitbits to treadmills, there are more ways than ever for people to keep up with their vitals. So why does so much fitness tech check your pulse? Because your resting heart rate ...