SUN EXPOSURE AND SKIN-DISEASE

Sunlight exposure produces a variety of adverse cutaneous effects. Ery thema, photosensitivity, and immunologic alterations represent acute e vents, whereas photoaging and carcinogenesis are long-term consequence s. These adverse cutaneous sequelae can be minimized by photoprotectio n in the form of sun avoidance, regular cover-up with clothing, and su nscreen application. This chapter reviews the diagnosis and treatment of sun-related skin disorders and recommendations for reducing photoda mage.