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Fitness watches should stop treating dehydration and sweat loss as an afterthought
You can log cups of water or set hourly reminders to drink, but Samsung, Google, Apple and the rest should be doing more.
Smartwatches keep adding "life-saving" tech like fall detection, SOS calling, AFib warnings, and the latest Loss of Pulse feature on Pixel Watches, all to make you feel safe. )Earlier this month, Samsung boasted that a clinical study from University of Michigan proved how accurate its Galaxy Watches are compared to medical-grade sensors for heart rate (90%), VO2 Max (82%), and sweat loss (95%). Rather than rely on algorithms, it'd be best if they started measuring your body's sweat directly for more tailored data, since reasonably accurate brands like Garmin and Samsung will produce different results with heart rate estimates.
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