Tattoo ink stays with you for life. Researchers are now asking how these pigments interact with the immune system and whether ...

Ink is sometimes made from products that were not manufactured for tattoos. Researchers are raising concerns about the quality of tattoo ink, saying the ink isn't always properly labeled and, in some ...

Tattoos have long been seen as a form of personal expression, cultural identity, and artistic creativity. From intricate full-body designs to small, minimalist symbols, body art has become a ...