The study stated that tattoos can increase the risk of developing lymphoma by 21 percent, compared to those who aren't inked.

That could be because the Food and Drug Administration (FDA) does not regulate tattoo pigments. Many of these pigments contain metals or other additives that may trigger skin reactions. Red ink, which ...

Tattoos are no longer taboo ... But if your body has an allergic reaction to the ink, a red or pink thick, scaly area can form on your skin, says Ploch. Some of these allergic reactions are ...

In particular, the AAAAI highlights mercury in red ink as a common cause of tattoo allergy. The Food and Drug Administration (FDA) has not approved any pigments or dyes as safe to inject into the ...