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 ...

Tattoos have become a prominent form of self-expression, but few consider their potential effects on health, particularly the immune system. In this article, we will explore how tattoos interact with ...

Research suggests that there might be a correlation between tattoo ink and cancer— but don't freak out just yet. But here’s what we don't know about tattoos: What happens to the ink when it enters ...