Rachel Feltman: Nearly a third of U.S. adults have tattoos, so plenty of you listeners can probably rattle off the basic guidelines of tattoo safety: Make sure you go to a reputable tattoo artist who ...

John Swierk is an assistant professor of chemistry at Binghamton University, State University of New York. Tattoos are an incredibly common form of permanent self-expression that date back thousands ...

Share on Pinterest The overall risk of bacterial infection from being tattooed is low, but tighter regulations on tattoo ink could help prevent adverse events. Francesco Carta fotografo/Getty Images ...

Over a third of 75 tattoo and permanent makeup inks from popular brands tested positive for bacteria in a new study, regardless of sterility claims, and the FDA has increasingly warned about tattoo ...