A case has emerged of a person developing complete body hair loss and an inability to sweat after getting a tattoo. Research ...

A man’s severe reaction to a tattoo, which made all his hair fall out and destroyed his sweat glands, has reignited concerns ...

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: ...