title: Biological aspects of human ageing.
mesh_terms: D000375:Aging; D000818:Animals; D002455:Cell Division; D002460:Cell Line; D002470:Cell Survival; D005796:Genes; D006801:Humans; D008017:Life Expectancy; D008136:Longevity; D011371:Progeria / Q000503:physiopathology; D014481:United States; D014898:Werner Syndrome / Q000503:physiopathology