The FDA cautions against the use of smartwatches and rings that promise to measure blood sugar levels without the need for needles.
Smartwatches The U.S. Food and Drug Administration issued a warning on Wednesday against using rings that claim to measure blood sugar levels without piercing the skin for medical purposes, as they could pose a potential danger and should be avoided. According to the agency, this warning pertains to all watches or rings, regardless of brand,
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