Cohort Studyhigh evidence
Wearable device-based health equivalence of different physical activity intensities against mortality, cardiometabolic disease, and cancer.
Nature communications·October 7, 2025·PMID 41057301
Why it mattersCurrent guidelines and wearable devices often rely on self-reported activity ratios that may underestimate the potency of vigorous activity. These device-based estimates can refine exercise prescriptions and improve the accuracy of activity trackers in predicting health outcomes.
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