Beyond skin deep: tattoo pigments transported to lymph nodes, corpses show
An estimated 20 per cent of Canadians (and 22% of Americans) have been tattooed, but what are the long-term effects? Scientists analyzed tattoo pigment samples from four corpses and two control subjects, and learned where tiny pigment samples ended up. When the pigment particles are small enough to go through the lung, they can end up in the brain as well.
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