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Skin Patch Uses Sweat to Monitor Health

A soft, flexible skin patch that monitors biomarkers in sweat can determine whether the wearer is dehydrated, measure the person’s blood sugar level and even detect disease. The invention is part of an emerging field of wearable diagnostics. Human sweat contains many of the same biomarkers as blood; however, analyzing sweat using a skin patch doesn't hurt like a needle stick, and the results can be obtained more quickly. The first-of-its-kind patch is aimed primarily at...

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