In Tokyo, researchers and tattoo studios are collaborating on smart tattoos that monitor vital signs such as heart rate and hydration levels. These tattoos use biocompatible sensors embedded in the ink, allowing wearers to track their health in real time without devices.
The program aims to combine medical technology with personal expression, attracting interest from tech enthusiasts, healthcare professionals, and tattoo aficionados. Experts say it could mark a new era where tattoos serve as both art and functional health tools.
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