title: SUN EXPOSURE AND SKIN AGING.
mesh_terms: D000375:Aging; D000596:Amino Acids; D002294:Carcinoma, Squamous Cell; D003094:Collagen; D004549:Elastin; D005853:Geriatrics; D006653:Histology; D006801:Humans; D007642:Keratosis; D055623:Keratosis, Actinic; D011830:Radiation Effects; D012867:Skin; D015595:Skin Aging; D012871:Skin Diseases; D012878:Skin Neoplasms; D013472:Sunlight; D014466:Ultraviolet Rays
chemical_list: D000596:Amino Acids; D003094:Collagen; D004549:Elastin
keywords: AGING; AMINO ACIDS; CARCINOMA, EPIDERMOID; COLLAGEN; ELASTIN; GERIATRICS; HISTOLOGY; KERATOSIS; RADIATION EFFECTS; SKIN; SKIN NEOPLASMS; SUNLIGHT; ULTRAVIOLET RAYS