Prospective data relating caffeine consumption to breast cancer risk are limited.

This is what the article “Caffeine Consumption and the Risk of Breast Cancer in a Large Prospective Cohort of Women” from the October 13 2008 issue of the Archives of Internal Medicine, published by the American Medical Association, concludes according to the abstract.

A 10-year study of nearly 40,000 women 45 years or older has found no negative effects of caffeine when related to breast cancer. There had been suggestions that the effect of heavy caffeine consumption may speed up the progression from benignbreast disease to more aggresive forms of breast cancer. No such statistically significant health effect was found in this study.

However, it was stated that women having benign breast disease lumps may be at a higher risk. Benign breast disease in general is considered a risk for breast cancer.

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