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Showing content from https://pubmed.ncbi.nlm.nih.gov/25671255/ below:

Smoking and mortality--beyond established causes

. 2015 Feb 12;372(7):631-40. doi: 10.1056/NEJMsa1407211. Smoking and mortality--beyond established causes

Affiliations

Affiliation

¹ From the Epidemiology Research Program, American Cancer Society, Atlanta (B.D.C., M.J.T., E.J.J.); the Division of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda, MD (C.C.A., N.D.F., P.H.); the Channing Division of Network Medicine, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston (D.F., F.E.S.); the Department of Medicine, Division of Preventive Medicine, University of Alabama at Birmingham, Birmingham (C.E.L.); the Department of Medicine, Division of Preventive and Behavioral Medicine, University of Massachusetts Medical School, Worcester (J.K.O.); and the Division of Public Health Sciences, Fred Hutchinson Cancer Research Center, Seattle (R.L.P.).

PMID: 25671255
DOI: 10.1056/NEJMsa1407211

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Smoking and mortality--beyond established causes

Brian D Carter et al. N Engl J Med. 2015.

Free article . 2015 Feb 12;372(7):631-40. doi: 10.1056/NEJMsa1407211. Authors Brian D Carter¹, Christian C Abnet, Diane Feskanich, Neal D Freedman, Patricia Hartge, Cora E Lewis, Judith K Ockene, Ross L Prentice, Frank E Speizer, Michael J Thun, Eric J Jacobs Affiliation

¹ From the Epidemiology Research Program, American Cancer Society, Atlanta (B.D.C., M.J.T., E.J.J.); the Division of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda, MD (C.C.A., N.D.F., P.H.); the Channing Division of Network Medicine, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston (D.F., F.E.S.); the Department of Medicine, Division of Preventive Medicine, University of Alabama at Birmingham, Birmingham (C.E.L.); the Department of Medicine, Division of Preventive and Behavioral Medicine, University of Massachusetts Medical School, Worcester (J.K.O.); and the Division of Public Health Sciences, Fred Hutchinson Cancer Research Center, Seattle (R.L.P.).

PMID: 25671255
DOI: 10.1056/NEJMsa1407211

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Abstract

Background: Mortality among current smokers is 2 to 3 times as high as that among persons who never smoked. Most of this excess mortality is believed to be explained by 21 common diseases that have been formally established as caused by cigarette smoking and are included in official estimates of smoking-attributable mortality in the United States. However, if smoking causes additional diseases, these official estimates may significantly underestimate the number of deaths attributable to smoking.

Methods: We pooled data from five contemporary U.S. cohort studies including 421,378 men and 532,651 women 55 years of age or older. Participants were followed from 2000 through 2011, and relative risks and 95% confidence intervals were estimated with the use of Cox proportional-hazards models adjusted for age, race, educational level, daily alcohol consumption, and cohort.

Results: During the follow-up period, there were 181,377 deaths, including 16,475 among current smokers. Overall, approximately 17% of the excess mortality among current smokers was due to associations with causes that are not currently established as attributable to smoking. These included associations between current smoking and deaths from renal failure (relative risk, 2.0; 95% confidence interval [CI], 1.7 to 2.3), intestinal ischemia (relative risk, 6.0; 95% CI, 4.5 to 8.1), hypertensive heart disease (relative risk, 2.4; 95% CI, 1.9 to 3.0), infections (relative risk, 2.3; 95% CI, 2.0 to 2.7), various respiratory diseases (relative risk, 2.0; 95% CI, 1.6 to 2.4), breast cancer (relative risk, 1.3; 95% CI, 1.2 to 1.5), and prostate cancer (relative risk, 1.4; 95% CI, 1.2 to 1.7). Among former smokers, the relative risk for each of these outcomes declined as the number of years since quitting increased.

Conclusions: A substantial portion of the excess mortality among current smokers between 2000 and 2011 was due to associations with diseases that have not been formally established as caused by smoking. These associations should be investigated further and, when appropriate, taken into account when the mortality burden of smoking is investigated. (Funded by the American Cancer Society.).

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Comment in

Smoke alarm--tobacco control remains paramount.
Colditz GA. Colditz GA. N Engl J Med. 2015 Feb 12;372(7):665-6. doi: 10.1056/NEJMe1414318. N Engl J Med. 2015. PMID: 25671261 No abstract available.
Smoking and mortality--beyond established causes.
Carter BD, Freedman ND, Jacobs EJ. Carter BD, et al. N Engl J Med. 2015 May 28;372(22):2170. doi: 10.1056/NEJMc1503675. N Engl J Med. 2015. PMID: 26017836 No abstract available.
Smoking and mortality--beyond established causes.
Sareen J, Zaborniak K, Green M. Sareen J, et al. N Engl J Med. 2015 May 28;372(22):2168-9. doi: 10.1056/NEJMc1503675. N Engl J Med. 2015. PMID: 26017837 No abstract available.
Smoking and mortality--beyond established causes.
Pedone C, Incalzi RA. Pedone C, et al. N Engl J Med. 2015 May 28;372(22):2169. doi: 10.1056/NEJMc1503675. N Engl J Med. 2015. PMID: 26017838 No abstract available.
Smoking and mortality--beyond established causes.
Nabi H, Estaquio C, Auleley GR. Nabi H, et al. N Engl J Med. 2015 May 28;372(22):2169. doi: 10.1056/NEJMc1503675. N Engl J Med. 2015. PMID: 26017839 No abstract available.