Tattoos have become a popular way for people to express themselves, but new research is raising concerns about the safety of tattoo ink. Scientists have found evidence suggesting that certain ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. Tattoos are no longer taboo. One in every three Americans now has ...

Mounting evidence suggests tattoos are linked to elevated cancer risk. Redness, swelling, and itching are all normal parts of the immune response to getting a tattoo. In fact, the immune response is ...