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This Apple Watch hydration sensor patent could be a nag too far, but might be ideal for runners | T3
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Apple Watch Series 7 takes a step closer to offering a non-invasive glucose monitor and even an alcohol level sensor - NotebookCheck.net News
One of the next Health Features that may be coming to Apple Watch relates to Tracking Hydration Levels of a user - Patently Apple
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Apple Watch could gain long-sought glucose tracking with Rockley Photonics deal: report | Fierce Biotech
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