You probably were told your resting heart rate at your last checkup. Or maybe you get alerts throughout the day thanks to a fitness tracker or smart watch. But what does the number really mean? And ...
Real Simple on MSN1y
What Heart Rate Variability Means on Your Fitness Tracker—and Whether It's Worth Paying Attention ToWhat Is Heart Rate Variability? Heart rate variability is the variance in the timing between each heartbeat, says Dr. Mo. She ...
Results that may be inaccessible to you are currently showing.
Hide inaccessible results
Feedback