Heart Rate Variability Fluctuates by Age, Gender, Activity and Time of Day, Fitbit Study Reveals

Fitbit heart rate variability study
Fitbit Alta HR (Image: Fitbit)
A new study published in The Lancet found that using heart rate variability (HRV), wrist-worn health trackers can provide a range of predictive cardiovascular health metrics. Researchers gathered data from […]
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Cathy Russey () is Online Editor at WT | Wearable Technologies and specialized in writing about the latest medical wearables and enabling technologies on the market. Cathy can be contacted at info(at)wearable-technologies.com.