A team of researchers, therefore, conducted a systematic analysis on the relationship between coffee drinking and the risk of different digestive tract cancer. The results were published in the October 2009 issue of Ann Oncol, 2010.
The results indicated that coffee drinking reduced the risk of oral cavity and pharynx cancers (36% risk reduction) but had no effect on the prevention of larynx and esophageal cancer.
Furthermore, it appeared that the risk reduction was greater among the Europeans (39% risk reduction) and the Americans (44% risk reduction) than the Asians (26% risk reduction).
Source: Ann Oncol. 2010 Oct 13
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