During the visit, the 4-year-old — whose full name is X Æ A-Xii — stood behind the Resolute Desk between his dad and the 47th president, picking his nose and appearing to wipe the boogers on ...

For example, the National Eczema Association notes that a specific kind of yeast, known as Malassezia, probably causes seborrheic dermatitis. This yeast usually lives on the skin, but it can ...