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6 ways your smartwatch is lying to you, according to science
Calories, sleep stages, recovery scores and VO₂max are all estimates. An exercise scientist explains how accurate your watch really is, and how to use its data wisely.
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Articles tagged heart-rate.
Calories, sleep stages, recovery scores and VO₂max are all estimates. An exercise scientist explains how accurate your watch really is, and how to use its data wisely.
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