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The researchers at the Dana-Farber Cancer center in Boston found that the greatest benefit was seen in those who drank four or more than four cups of coffee a day, which amounts to about 460 milligrams. The study was published in the Journal of Clinical Oncology and said,” These patients were 42 per cent less likely to have their cancer-return than non-coffee drinkers, and were 33 percent less likely to die from cancer. The people who drank more than four cups a day experienced a modest benefit, while little protection was associated with one cup or less.” The researchers also pointed out that they found that the lowered risk of recurrence and death were specifically tied to the caffeine in coffee rather than the other coffee components.
However, with all its effects more studies are still required to confirm its link with preventing colon cancer. Other studies have also suggested that coffee may have a protective effect against postmenopausal breast cancer, melanoma, liver cancer and advanced prostate cancer. The lead author of the study, Charles Fuchs, said that if you are being treated for colon cancer and are a coffee drinker, don’t stop but if you are not a coffee drinker and want to start, consult your physician first.