BOSTON - If you're thinking of getting a tattoo, a new study shows there's some concern about the safety of tattoo ink. Tattooing uses needles to deposit ink directly into the skin, so it's important ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. WASHINGTON (AP) — In a cabinet inside a ...

WASHINGTON — In a cabinet inside a modest laboratory in downtown Washington are rows and rows of ink samples in plastic squeeze bottles and small glass jars. To the untrained eye, it's just a bunch of ...