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Title: Do Tobacco and Alcohol Modify Protective Effects of Diet on Oral Carcinogenesis?
Authors: TOPORCOV, Tatiana NatashaTAVARES, Giovanna EmannROTUNDO, Ligia Drovandi BragaVACCAREZZA, Gabriela FuerstBIAZEVIC, Maria Gabriela HayeBRASILEIRO, Rosana SarmentoCARVALHO, Marcos Brasilino deMICHALUART JUNIOR, PedroKOWALSKI, Luiz PauloANTUNES, Jose Leopoldo Ferreira
Citation: NUTRITION AND CANCER-AN INTERNATIONAL JOURNAL, v.64, n.8, p.1182-1189, 2012
Abstract: Recent systematic reviews concluded that the frequent consumption of fruits and vegetables is inversely associated with the risk of oral cancer. We assessed this association, specifically comparing results obtained to nonsmokers and smokers, as well to nondrinkers and drinkers. We conducted a case-control study involving 296 patients with oral squamous cell carcinoma (cases) attended in 3 major hospitals of Sao Paulo, Brazil, paired with 296 controls, recruited from outpatient units of the same hospitals. Multivariate models assessed the effect of fruits and salads according to smoking and drinking. The intake of fruit was associated with the prevention of the disease in the specific assessment among light [odds ratio (OR) = 0.46; 95% confidence interval (CI) = 0.27-0.78) and heavy (OR = 0.30; 95% CI = 0.14-0.65) smokers. The same was observed for vegetables consumption. For nonsmokers, no fruit (OR = 50; 95% CI = 0.22-1.12) or vegetable (for tomato, OR = 0.53; 95% CI = 0.31-0.93) was associated with reduced risk of oral and oropharyngeal cancer. Similar results were found in the stratified analysis according to drinking status with OR = 0.51 (95% CI = 0.30-0.87) and 0.18 for fruits (95% CI = 0.07-0.45), respectively, for light and heavy drinkers. This observation suggests that the protective effect of fruit and salad intake may modulate the deleterious effects from tobacco and alcohol.
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Artigos e Materiais de Revistas Científicas - HC/ICHC
Instituto Central - HC/ICHC

Artigos e Materiais de Revistas Científicas - LIM/28
LIM/28 - Laboratório de Cirurgia Vascular e da Cabeça e Pescoço

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