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A comment on Apple Makes Major Progress on No-Prick Blood Glucose Tracking for Its Watch. Parent comment

Re:Apple Makes Major Progress on No-Prick Blood Glucose Trac... by woefblaf123 on Thursday February 23, 2023 @08:32AM (#34910325)
They don't work quite the same way. The finger clips shine through the entire finger. The illuminator is on one side and the sensor on the other. The wrist-based sensors rely on reflections through the skin which is a lot more iffy.
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