Tattoo ink can seep deep into the body
(WorldNews France)

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 Tuesday. The tiny particles - measuring a few millionths to a few billionths of a centimeter - include molecules from preservatives and contaminants such as nickel, chromium, manganese and cobalt, researchers reported in the peer-reviewed journal Scientific Reports. ......