Tattoos, once a niche form of self-expression, have become widespread, from small wrist designs to extensive body art. Yet beyond their personal significance, the long-term biological effects remain poorly understood. Research suggests that ink may interact with the immune system in ways that aren’t yet fully clear. Scientists are now investigating whether these changes could have broader health implications over time.
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 ...
