WHETHER it’s an ex’s name, a cancelled celeb or an embarrassing spelling mistake, there are plenty of reasons to regret getting inked. But now scientists warn there may also be a biological ...

Grimes has sparked a mixed bag of reactions from her fans after revealing an eccentric new face tattoo. The singer showcased the barely noticeable ink, a delicate ring near her left eye, in an ...

People can develop allergic reactions to the ingredients in tattoo ink. An allergic reaction to a tattoo can emerge years after a person gets tattooed. Medication may be necessary to treat the immune ...

A subject wearing the e-tattoo while answering test questions. Credit: Device H Huh et al. Get the Popular Science daily newsletter💡 Breakthroughs, discoveries ...