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The Secret to a Tattoo's Permanence: The Immune System


Secret to a Tattoo's Permanence: The Immune System - The Atlantic

Stashed in: #health, Tattoos!

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Does that mean tattoos are bad for us?

Seems OK.  Our bodies protect us against (some of) our bad judgements.

Special cells called macrophages come to the rescue, eating up the dye in an attempt to "clean up" the inflammation it's causing. The rest of the dye gets soaked up by skin cells called fibroblasts. The fibroblasts, along with many of the macrophages, stay suspended in the dermis in perpetuity.

I like that animation in the video.

Apparently I liked it a year ago too:

http://pandawhale.com/post/47896/the-secret-to-a-tattoos-permanence-the-immune-system-olga-khazan-the-atlantic

:)

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