Sunlight and the skin.
D006801:Humans; D007642:Keratosis / Q000209:etiology; D010787:Photosensitivity Disorders / Q000517:prevention & control; D011830:Radiation Effects; D012867:Skin / Q000473:pathology / Q000528:radiation effects*; D012871:Skin Diseases / Q000209:etiology / Q000473:pathology / Q000517:prevention & control; D012878:Skin Neoplasms / Q000209:etiology / Q000517:prevention & control; D013471:Sunburn / Q000188:drug therapy / Q000209:etiology / Q000517:prevention & control; D013472:Sunlight; D013473:Sunscreening Agents / Q000627:therapeutic use; D013997:Time Factors; D014466:Ultraviolet Rays / Q000009:adverse effects
D013473:Sunscreening Agents