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  • Title: Coffee consumption and colorectal cancer risk: a multicentre case-control study from Italy and Spain.
    Author: Rosato V, Guercio V, Bosetti C, Gracia-Lavedan E, Villanueva CM, Polesel J, Toffoluti F, Moreno V, Martin V, Aragonés N, Dierssen-Sotos T, Olmedo-Requena R, Guevara M, Amiano P, Salas D, Fernandez-Tardon G, Alguacil J, Chirlaque López MD, Fernandez-Villa T, Pérez-Gómez B, Gomez-Acebo I, Jiménez-Moleón JJ, Moreno-Iribas C, José Molina A, Castaño Vinyals G, Pollan M, Kogevinas M, La Vecchia C, Tavani A.
    Journal: Eur J Cancer Prev; 2021 May 01; 30(3):204-210. PubMed ID: 33783378.
    Abstract:
    BACKGROUND: Coffee contains many bioactive substances that can play a role on colorectal cancer. Epidemiological evidence of coffee intake and colorectal cancer is, however, inconsistent. AIM: To provide further information on the risk of colorectal cancer in relation to coffee consumption. METHODS: Data derive from two companion case-control studies conducted in Italy and Spain within the European Union Project on Health Impacts of long-term exposure to disinfection by-products in Drinking Water and the Spanish Multi-Case Control study on Cancer. These included a total of 2289 incident cases with colorectal cancer and 3995 controls with information on coffee intake. Odds ratios (ORs) and the corresponding 95% confidence intervals (CIs) were derived from unconditional logistic regression models, adjusted for study centre, sex, age, education, smoking, and other covariates. RESULTS: Compared with never coffee drinkers, the OR was 0.99 (95% CI 0.95-1.02) for total coffee consumption. There was no significant trend in risk with dose or duration, the ORs being 0.95 (95% CI 0.72-1.25) for an amount of five or more cups per day of coffee and 0.95 (95% CI 0.75-1.19) for a duration of consumption of 50 years or longer. The OR was 1.04 (95% CI 0.87-1.25) for two or more cups per day of decaffeinated coffee. There were no heterogeneity across strata of various covariates, as well as no apparent differences between various anatomical subsites. CONCLUSION: This large pooled analysis of two studies shows no association of coffee and decaffeinated coffee with colorectal cancer risk.
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