The US FDA warns that it has not "authorized, cleared, or approved any smartwatch or smart ring" that claims to measure blood glucose levels non-invasively (Juli Clover/MacRumors)

Juli Clover / MacRumors:

The US FDA warns that it has not “authorized, cleared, or approved any smartwatch or smart ring” that claims to measure blood glucose levels non-invasively  —  The United States Food and Drug Administration (FDA) does not want consumers to purchase or use smart watches or smart rings …