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Pulse oximeters miss hypoxemia more often in people with darker skin, study finds
By Dr. Liji Thomas, MD A major UK study shows that commonly used home pulse oximeters can overestimate oxygen levels in ...
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What's the best fitness tracker of 2026? I've tested more than I can count, these are my top picks
After testing countless devices for accuracy, comfort, and general value, these are the best fitness trackers I'd recommend.
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