“Many confounding factors in real life—including lifestyle, UV exposure, occupational hazards, and immune status—can ...

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 ...

Mouse research shows tattoo pigments move into lymph nodes within minutes and persist for months Ink triggered immune-cell death, chronic inflammation and weakened response to an mRNA COVID shot ...

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 ...

People can develop allergic reactions to the ingredients in tattoo ink. An allergic reaction to a tattoo can emerge years after a person gets tattooed. Medication may be necessary to treat the immune ...