https://techcrunch.com/2017/09/23/dont-wait-for-the-apple-watch-to-dole-out-medical-advice-anytime-soon/

Could the Food and Drug Administration classify the Apple Watch as a medical device? It’s a question many have asked over the past couple of years, but the stakes are now higher for the Watch with its newfound ability to detect atrial fibrillation, or an irregular heart rhythm.

Already, Apple is rumored to be working on an Apple Watch sensor that would detect and monitor glucose levels through skin contact, rather than through a prick of blood. Although no announcement was at Apple’s September 12 iPhone event, Tim Cook has been spotted wearing a prototype glucose monitor that could connect to the Watch.