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July 1, 1998

Tobacco Smoke and Atherosclerosis Progression

Author Affiliations

Margaret A.WinkerMD, Senior EditorIndividualAuthorPhil B.FontanarosaMD, Senior EditorIndividualAuthor

JAMA. 1998;280(1):32-33. doi:10-1001/pubs.JAMA-ISSN-0098-7484-280-1-jbk0701

To the Editor.— Dr Howard and colleagues1 report that exposure merely to ETS increases carotid intimal-medial thickening (IMT) by 20% in 3 years, but the 3-year increase (7 microns) is only the width of a red blood corpuscle. The measuring techniques actually used could not detect changes 30 times as large, and the reported results are, in my opinion, a statistical fiction.