A tattoo that monitors your health

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Researchers have developed a tattoo ink that could provide real-time updates on your body’s health. You would have the ink tattooed onto your body and the tattoo would then change color according to the amount of the activating agent present. A tattoo using the ink designed to respond to glucose levels, for example, would change color from blue to brown your blood sugar level rises. https://futurism.com/color-changing-tattoos-could-help-millions-monitor-their-health-in-real-time/

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