The Apple Watch Series 6 has a sensor built in that can measure the oxygen level in the blood. This ability could have a real benefit in judging health and reacting to the first signs of conditions ...

Blood oxygen readings can be a useful indicator of wellness, but context is important — and so is medical advice from a doctor. By Brian X. Chen The new Apple Watch can be summed up in two words: ...

Blood Oxygen is back for affected Apple Watch models. Will be reinstated with the latest iOS and WatchOS updates. Apple redesigned it to resolve an import ban over patent infringement. Get more ...

When you have low blood oxygen levels, you can experience shortness of breath and confusion. Hypoxemia is a serious health condition that requires urgent medical care. Hypoxemia is when you have low ...