A group of researchers at the Università della Svizzera italiana gave mice small foot tattoos in bla...
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
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...
Author: Space Daily
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