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 ...

Tattoos are more mainstream than ever – with nearly one in five Australian adults now sporting at least one. But new Australian research has reignited questions about what’s actually in tattoo ink, ...

New research reveals that tattoo pigments don’t just stay in the skin, they migrate into lymph nodes, trigger months of inflammation, and reshape how the body responds to different vaccines. Study: ...

A Polish man had an extreme allergic reaction to red ink in a tattoo on his arm, causing all his hair to fall out, his sweat glands to shut down, and his skin to develop vitiligo. The case adds to ...