is a senior reporter and author of the Optimizer newsletter. She has more than 13 years of experience reporting on wearables, health tech, and more. Before coming to The Verge, she worked for Gizmodo ...
95 to 100 percent is the healthy adult range, and the FDA warns consumer devices can read falsely high. The post What your blood oxygen level should be, and when a low reading is a warning sign first ...
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