The blood oxygen sensor featured in Apple Watch Series 6 and 7 is "not supposed for medical use," Apple says. That appears odd, considering that low blood oxygen is a severe medical situation. If the watch’s monitor just isn't for medical use, then what precisely is it for? In this post, we’ll take a look at what blood oxygen is, how Apple Watch measures it, how the device compares to medical-grade alternatives, and what you'll be able to really use it for. What's Blood Oxygen and why does it matter? The Blood Oxygen app on Apple Watch Series 6 and 7 checks your oxygen saturation degree. This is typically informally known as "sats." It’s a measure of how a lot oxygen your blood is carrying from your lungs to the remainder of your physique. In combination with the nutrients you eat, oxygen gives the gasoline that powers actually every part your body does: from transferring your muscles, to growing your toenails, and even reading Cult of Mac.
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