Tattoos have gained widespread popularity, with nearly one in three Americans having at least one. But beneath the colorful designs lurks a hidden journey. According to a new study, tattoo ink doesn’t ...

In a new study, German researchers were able to track how the liquid components of tattoo ink behave in the body. Scientists in Germany’s Federal Institute for Risk Assessment, or the BfR, were ...

A month before her mother, Evelyn, died following a long-term illness, Dynelly del Valle got a tattoo on her shoulder to pay tribute to her: a queen of the night flower with “daughter of Eve” ...

Mark Gurarie is a writer covering health topics, technology, music, books, and culture. He also teaches health science and research writing at George Washington University's School of Medical and ...