What your sweat can tell you about your health

A sticker for your skin to keep track of hydration levels and other physical conditions. Image source: Shutterstock (#426578425)

Researchers at Northwestern University developed a sticker for your skin that can provide information about health earlier than other wearables. The sticker contains chemicals that when in contact with sweat, creates unique color patterns. Taking a picture of the pattern with a smartphone allows one to analyze the information with the help of an app. Dehydration and other physical conditions can be detected in an early stage.

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