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 ...

Historically, tattoos existed at the fringe of society. But today, tattoos are mainstream — gracing the skin of athletes, celebrities, professionals and everyday people. According to the Pew Research ...

Manal Mohammed does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...