They Created Tattoos That Track You Without a Device

Imagine getting a tattoo… that can track your health, location, or identity — and you don’t even need a device. Sounds like sci-fi? It’s real. Scientists have developed futuristic electronic tattoos that use special ink to monitor your body in real-time — from heart rate to hydration — and even transmit data without chips or batteries. But here’s the catch… could this breakthrough be the future of medicine? Or is it a step too close to surveillance under your skin? Learn more about your ad choices. Visit megaphone.fm/adchoices