All three rings operate on a similar basis. They track movement with 3-D accelerometers, measure blood oxygen levels and ...
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Bizarre facts about diseases and the human body
Ever looked in the mirror and wondered what incredible, and sometimes unsettling, secrets your own body might be holding?
Do you ever find yourself reaching for a sweet treat, perhaps a classic chocolate bar, a tangy gummy, or a nostalgic lollipop ...
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