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
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2 Articles
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 where the ink went. It travelled fast. On the paper’s own imaging, the pigment reached the lymphatic vessels draining the foot within about ten minutes, and by twenty-four hours it had gathered in the nearest lymph node. The finding appears in the Proceedings of the National Academy of Sciences, …
Ink Can Also End up in Nodules. What Scientists Already Know About the Impact of Tattoos on the Body
People have been tattooing for thousands of years, for spiritual, cultural, or personal reasons. They once marked their bodies with permanent ink. While history can tell us a lot about tattoo culture, we still don't know much about how the practice affects our health. The introduction of tattoo pigment into the skin with...
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