New Wearable Sensors Know What’s in Your Sweat

In the not-so-distant future, your activity tracker or smart watch may be able to get a much better picture of your health by measuring the chemical components of your sweat. Researchers built a flexible, wearable sensor that can track the level of several different substances in your sweat.

A group of researchers has developed a flexible, wearable band filled with sensors that can track sodium, potassium, glucose, and lactate, along with the temperature of the skin. The data is collected and sent to a flexible electronic board that processes it, and from there it’s sent to a smartphone app via Bluetooth.

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