title: Photoaging and the skin: differentiation and clinical response.
abstract: Extrinsic aging changes caused by habitual exposure to ultraviolet light are often erroneously confused with intrinsic aging alterations due to chronologic aging. We compare the clinical, histologic, and biochemical changes related to chronic sun exposure--photoaging--with normal skin changes related to aging.
authors.affiliation: Department of Internal Medicine, University of South Florida College of Medicine, Tampa.
authors.forename: C W
authors.initials: CW
authors.lastname: Lober
authors.forename: N A
authors.initials: NA
authors.lastname: Fenske
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D006801:Humans; D012867:Skin / Q000473:pathology*; D015595:Skin Aging / Q000502:physiology*; D012871:Skin Diseases / Q000209:etiology*; D013472:Sunlight / Q000009:adverse effects*