Letters, Comments, and Corrections1 April 1972Wrinkles and SmokingANTHONY L. BARNERT, M.D.ANTHONY L. BARNERT, M.D.Search for more papers by this authorAuthor, Article, and Disclosure Informationhttps://doi.org/10.7326/0003-4819-76-4-672 SectionsAboutPDF ToolsAdd to favoritesDownload CitationsTrack CitationsPermissions ShareFacebookTwitterLinkedInRedditEmail ExcerptTo the editor: Dr. Daniell is to be complimented on his imaginative and methodical study of smokers' wrinkles [Ann Intern Med 75:873-880, 1971], but I am compelled to point out a logical flaw in his closing sentence. He there implies that the association between smoking and wrinkling might serve as ammunition in counseling patients on the "personal risks of cigarette smoking."Despite his reservations on causality in the penultimate paragraph, Dr. Daniell has fallen into thecum hoc, propter hocline of reasoning that is all too common in epidemiologic studies. He implies not only causality but also that avoidance... This content is PDF only. To continue reading please click on the PDF icon. Author, Article, and Disclosure InformationAffiliations: PreviousarticleNextarticle Advertisement FiguresReferencesRelatedDetails Metrics 1 April 1972Volume 76, Issue 4Page: 672-673KeywordsEpidemiologyReasoning Issue Published: 1 April 1972 PDF DownloadLoading ...