What A Tattoo Actually Does Inside Your Body

For decades the reassuring story about tattoos was that the ink stays put: a permanent mark, sealed in the skin, chemically done with your body. It isn't. Pigment migrates out of the skin and lodges in your lymph nodes, carrying the carcinogens it came with, and it stays there for the rest of your life. That's not in dispute. What is in dispute is whether any of it actually causes cancer, and in 2024 and 2025 several teams finally ran the studies. They came back contradicting each other, one ...