title: The aging skin.
mesh_terms: D000367:Age Factors; D000368:Aged; D000375:Aging; D003094:Collagen; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D009262:Nails / Q000254:growth & development; D009450:Neurodermatitis / Q000175:diagnosis; D011537:Pruritus / Q000209:etiology; D012532:Scabies / Q000175:diagnosis; D012627:Sebaceous Glands / Q000033:anatomy & histology; D012867:Skin / Q000033:anatomy & histology; D012871:Skin Diseases / Q000378:metabolism; D012878:Skin Neoplasms / Q000209:etiology; D012879:Skin Physiological Phenomena; D013472:Sunlight; D013545:Sweat Glands / Q000033:anatomy & histology; D014466:Ultraviolet Rays / Q000009:adverse effects
chemical_list: D003094:Collagen