(Press-News.org) The results from a very well-done meta-analysis support other data generated on the risk of alcohol consumption and gastric cancer – that is – that the risk may be real for heavy alcohol consumption but not for moderate intake. The type of gastric cancer relating to heavier alcohol intake in this study tended to be tumors involving the noncardia, but differences between the association with tumors of the gastric cardia were not significant.
There was no increased risk of gastric cancer from alcohol intake among Asians; this may be due to their lower alcohol intake; there is a greater prevalence among Asians of the inactive ALDH2 genotype that is associated with flushing and other adverse effects of alcohol, and such subjects tend to drink less alcohol. However, a number of studies have shown higher risk for upper aero-digestive cancers for subjects with this ALDH2 genotype, so the overall reason for the lower risk among Asians in this study remains unclear. The main outcome of the study is that there is no increase in the risk of gastric cancer associated with the moderate intake of alcohol.
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Reference: Tramacere I, Negri E, Pelucchi C, Bagnardi V, Rota M, Scotti L, Islami F, Corrao G, La Vecchia C, Boffetta P. A meta-analysis on alcohol drinking and gastric cancer risk. Ann Oncology 2011;doi:10.1093/annonc/mdr135
Comments on the present paper were provided by the following members of the International Scientific Forum on Alcohol Research:
Fulvio Ursini, MD, Dept. of Biological Chemistry, University of Padova, Padova, Italy.
Luc Djoussé, MD, DSc, Dept. of Medicine, Division of Aging, Brigham & Women's Hospital and Harvard Medical School, Boston, MA, USA.
David Vauzour, PhD, Senior Research Associate, Department of Nutrition, Norwich Medical School, University of East Anglia, Norwich, UK.
Harvey Finkel, MD, Hematology/Oncology, Boston University Medical Center, Boston, MA, USA.
Creina Stockley, clinical pharmacology, Health and Regulatory Information Manager, Australian Wine Research Institute, Glen Osmond, South Australia, Australia.
Arne Svilaas, MD, PhD, general practice and lipidology, Oslo University Hospital, Oslo, Norway.
R. Curtis Ellison, MD, Section of Preventive Medicine & Epidemiology, Boston University School of Medicine, Boston, MA, USA.
For the detailed critique of this paper by the International Scientific Forum on Alcohol Research, go to www.bu.edu/alcohol-forum and click on Recent Reports.
The specialists who are members of the Forum are happy to respond to questions from Health Editors regarding emerging research on alcohol and health and will offer an independent opinion in context with other research on the subject
END
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