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Tattoo ink can seep deep into the body: study

PARIS: Microscopic particles from tattoo ink can migrate into the body and wind up in lymph nodes, crucial hubs of the human immune system, a study revealed on Tuesday. The tiny particles -- measuring a few millionths to a few billionths of a centimetre -- include molecules from preservatives and contaminants such as nickel, chromium, manganese and cobalt, researchers reported in the peer-reviewed journal Scientific Reports. Tattoo colouring is composed of various organic and inorganic pigments, and can be contaminated…