“Seborrheic keratoses are skin-colored or brown, warty bumps that typically develop on the chest, back, extremities, and around the bra line,” says Dr. Zeichner. They’re harmless, although in some ...
Beach sand is a habitat for sand fleas, which typically cause itching and inflammation but it can also lead to an infection with black dots in the center of raised bumps, called tungiasis. In more ...