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What is heart rate variability (HRV)?
Oura reports that heart rate variability (HRV) measures the variation in heartbeat timing, reflecting stress levels and ...
(HealthDay News) – A variation measure, estimated from an automated algorithm of the grayscale variation within a mammogram, correlates with the risk of breast cancer as strongly or more so than ...
Heart rate variability offers a closer look at how your heart behaves from one beat to the next. While heart rate measures the average number of beats per minute, heart rate variability bases a ...
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