Read: The benefits of a foreign-language tattoo Sandrine Henri, an immunologist at France’s Center of Immunology of Marseille-Luminy, and her colleagues have found that macrophages’ taste for ...

They say that tattoos are forever, but are they really? A new study of how tattoos work and how the immune system is involved reveals the cellular mechanisms behind tattoos and their removal.

As its tail quivered, I felt a sympathetic twitch in my leg. Su’a Sulu’ape Paulo III, the sixth-generation Samoan hand-tap tattoo master leaning over me, paused to see if my movement was due ...

Researchers in France have discovered that, though a tattoo may be forever, the skin cells that carry the tattoo pigment are not. Instead, the researchers say, the cells can pass on the pigment to new ...

Many scientists had thought that the immune cells’ extreme longevity explains why tattoos don’t disappear. But Sandrine Henri and Bernard Malissen of the Immunology Centre of Marseille-Luminy ...

“When you think about tattoo pigment, which is meant to be [in] a place where ... She earned her PhD from West Virginia University in immunology and microbiology and completed an AAAS Mass Media ...