Tattoo ink doesn’t just stay in the skin — a PNAS mouse study found pigments can reach nearby lymph nodes soon after contact, damage macrophages, and keep inflammation active for at least two months - Space Daily
health 2026/07/07 15:45:31

Tattoo ink doesn’t just stay in the skin — a PNAS mouse study found pigments can reach nearby lymph nodes soon after contact, damage macrophages, and keep inflammation active for at least two months - Space Daily

Source:Space Daily
Author:None

A group of researchers at the Università della Svizzera italiana gave mice small foot tattoos in black, red or green, then watched under the microscope where