Apple Watch blood oxygen detection feature found in iOS 14 code snippet

Apple is developing at least two new features focused on health that will expand Apple Watch capabilities in the future. Apple Watch will add the ability to detect blood oxygen levels for the first time, 9to5Mac has learned based on an exclusive look at iOS 14 code snippets
Blood oxygen levels between 95 and 100% are considered healthy; blood oxygen levels below 80% may lead to compromised heart and brain functionality. Risk of respiratory or cardiac arrest is common after continued l