Heart-rate variability emerges as a key health metric in wearable technology
By
The Economist
Summary
This article discusses heart-rate variability (HRV) as a key health metric gaining attention in the wearable tech space. It contrasts HRV with simpler metrics like step counts and heart rates, and more advanced ones like VO2 max and blood-oxygen levels, positioning HRV as a particularly useful indicator of overall health.
Source
Twitter / XHeart-rate variability emerges as a key health metric in wearable technologyeconomist.comKey quotes
· 3 pulledBut a category currently attracting particular attention is heart-rate variability (HRV).
Modern smart watches can measure all sorts of health indicators.
The most useful indicator of your overall health
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