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 responds to vaccines. https://www.japantimes.co.jp/news/2025/11/29/world/science-health/tattoo-ink-health/?utm_medium=Social&utm_source=mastodon #worldnews #sciencehealth #tattoos #health #vaccines