From minimalist wrist designs to full sleeves, body art has become so common that it barely raises an eyebrow. But while the personal meaning of a tattoo may be obvious, the biological consequences ...

Getting your first tattoo rarely happens in a perfectly calm, logical moment. More often, it arrives wrapped in adrenaline and emotion, with the sense that something meaningful is about to happen.

Getting a tattoo is often seen as a permanent statement of identity, but the ink you choose to put under your skin does not actually stay in one place. According to research published in the ...