Smartwatches Have Measured Blood Oxygen for Years. But Is This Useful? - CNET

Having access to more health data from home is helpful, but smartwatches still have limitations to overcome.

For the most up-to-date news and information about the coronavirus pandemic, visit the WHO and CDC websites. Smartwatches can measure everything from heart rate to sleep quality, but one health metr… [+10066 chars]

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