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	Institution: CLOCKSS  | My Account | E-mail Alerts | Access Rights | Sign In Vol. 8 No. 3, May 1999   Archives  •  Online Features Clinical Pearl  This Article  • Send to a friend  • Save in My Folder  • Save to citation manager  • Permissions  Citing Articles  • Contact me when this article is cited  Related Content  • Similar articles in this journal Cigarette Smoking Increases Breast Cancer Arch Fam Med. 1999;8:209. In Denmark, women who smoked for more than 30 years had an increased risk of developing breast cancer. The odds ratio was 1.6, with a confidence interval of 1.1-2.3. (BMJ. 1995;310:1431-1433.) HOME | CURRENT ISSUE | PAST ISSUES | TOPIC COLLECTIONS | CME | PHYSICIAN JOBS | HELP CONDITIONS OF USE | PRIVACY POLICY | CONTACT US | SITE MAP   © 1999 American Medical Association. All Rights Reserved.