The wearable device that detects dehydration in children

I’ve written a few times about wearable devices that analyze the wearers sweat for signs of dehydration.  For instance, a sweatband developed by researchers from UC Berkeley comes with a number of capabilities, including telling the wearer whether they’re dehydrated.  Or you’ve got the fabric that’s designed to tell you how hydrated you are.  The textile goes under the brand name SOAK, and the magic occurs via a coating that can be applied to clothing to give the wearer visual cues that they are becoming dehydrated.

Now, a Swiss team have developed a mobile device that can monitor for dehydration in children.  The cuffs attach to the hands and feet, and each contain electrodes that are connected by a cable.  A current flows through these cables and the resistance is calculated.  It’s a similar approach to that used by scales that are popular around the world.

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