Drinking three or more cups of coffee a day may half the risk of colon cancer in women, according to Japanese researchers.
In the new study, over 96,000 men and women aged 40-69 were tracked for up to 12 years. After adjusting for other factors contributing to cancer, such as diet and exercise, it was found that women who drank three or more cups of coffee a day had half the risk of colon cancer as compared with women who did not drink coffee. No significant benefit was found in men.
This study contradicts the findings of a similar study in 2001 which found no association between colon cancer and coffee consumption.
These study findings add to the growing evidence that coffee has health benefits including prevention of type 2 diabetes, Parkinson's disease and heart disease.
Health Canada recommends an intake no more than 450 milligrams of caffeine per day for healthy adults. One cup (8 ounces) of brewed coffee contains 100 to 135 milligrams of caffeine.
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