A disease caused by ultraviolet light that comes from the sun’s rays.
Skin lymphoma is a rare form of skin cancer that is not linked to sun exposure. Learn about symptoms and treatment.
Melanoma is a type of skin cancer that forms in the cells that produce skin color. Learn about symptoms and treatment.
Basal cell carcinoma accounts for 80 percent of all skin cancers. The cause is damage to the DNA of cells in the epidermis, the top layer of the skin.
Photoaging is when the sun prematurely—and sometimes dangerously—ages the skin. Learn about symptoms and treatment.
Photodynamic therapy is a sun damage treatment that relies on a photosensitizing drug and particular kind of light. Learn about symptoms and treatment.
Merkel cell carcinoma is a rare, aggressive form of skin cancer. It usually affects sun-exposed areas of the body, but it can occur in sun-shielded areas, too. Learn about symptoms and treatment.
Actinic keratosis (AK) is a scaly and rough patch of skin caused by years of sun damage. Learn about symptoms and treatment.
Pemphigus and pemphigoid are two rare autoimmune blistering disorders that are not contagious. Learn about symptoms and treatment.
Eczema is the diagnosis for chronic dry skin that brings extremely itchy, pink skin or red rashes. It's common in kids, but adults get eczema too.