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 ...

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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 ...

As tattoos gain popularity, dermatologists explain health risks linked to hygiene, ink reactions, infections, scarring and ...

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 ...

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 ...