It’s no secret that your heart is a key indicator of your overall health. If it’s healthy and strong, you know you’re doing something right. If you have a heart rate that is too fast or too slow, you know it’s time to make a change.
But the importance of your heartbeats goes beyond the speed and number of beats per minute. Your heart rate variability can also tell you how healthy you really are—and whether you may have underlying conditions that haven’t been discovered yet.