“Many confounding factors in real life—including lifestyle, UV exposure, occupational hazards, and immune status—can ...

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 ...

Tattoos have gained widespread popularity, with nearly one in three Americans having at least one. But beneath the colorful designs lurks a hidden journey. According to a new study, tattoo ink doesn’t ...

Tattoo ink doesn’t just sit inertly in the skin. New research shows it moves rapidly into the lymphatic system, where it can persist for months, kill immune cells, and even disrupt how the body ...

Today’s youth are more colorful than their parents, at least when it comes to permanent body art. Once considered taboo in mainstream cultures in the US and Europe, tattoos are more accepted socially ...