Berlin, Germany – September 2025
In a groundbreaking medical development, German researchers have created a bio-monitoring tattoo that changes color to indicate blood sugar levels in diabetic patients.
The ink, made from safe, pH-sensitive pigments, turns blue when sugar levels are low and green when stable. Early trials in Berlin hospitals show promising results, with patients praising its practicality and design flexibility.
Experts say this could “revolutionize both healthcare and tattoo culture,” combining art with lifesaving technology.
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