On Wednesday, former President Donald Trump left his skyscraper home bearing mysterious red splotches on his right hand, according to The Daily Mail. The source of the marks set online sleuths ...

Erythema toxicum (air-uh-THEE-muh TOK-sih-kum) is a common skin rash that many healthy newborns get ... but usually won't be on the palms or soles of the feet. It's a blotchy red rash with small bumps ...