Testing Sweat For Health

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Researchers are creating a skin patch that can test droplets of sweat whilst people exercise and beam results to their smartphones, possibly a new way to track health and fitness.

If you think of perspiration as a drippy nuisance think again.

“Sweat has biochemical components within it that tell us a lot about physiological health,” said John A. Rogers, who directs Northwestern University’s Centre for Bio-Integrated Electronics and led the new research.

Today’s wearable technology helps people track their calories, activity and heart rate. A wearable biosensor would be “radically different,” Rogers said.

Read more about this innovation at The Big Story

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