Wearables measure several aspects of health, and heart rate variability might be one of those. It may be surprising when your device informs you that your heart rate variability is high or low, but ...
Real Simple on MSN
What heart rate variability means on your fitness tracker—and whether it's worth paying attention to
Here’s what this health metric really indicates, according to cardiologists.
News9Live on MSN
Scientists discover how hormonal changes during menstrual cycles cab affect women’s heart function
A new study reveals how the menstrual cycle influences the heart's nervous system and heart rate variability. Discover what ...
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