Medically reviewed by Doru Paul, MD To confirm a psoriasis diagnosis, your healthcare provider will check your skin and scalp ...

Months of recurring acne in the same spot on my face and one panicked Google search later, I landed upon face mapping—i.e., a ...

What it *may* mean: Buildup of hair products, sweat, or sebum Ah, the dreaded hair and scalp pimple that sometimes goes ...