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Breast Cancer Risk - Coffee, Alcohol & Total Energy

Posted Nov 19 2009 12:00am
If you are reading this blog, then you are probably well aware that individual dietary habits can impact breast cancer risk.  New breast cancer research published in The Breast Journal increases our awareness of dietary changes that can be made to reduce breast cancer risk. 

In this new study, the dietary habits of 560 French-Canadian women without the BRCA gene mutation were investigated in relation to their breast cancer status (280 women with breast cancer and 280 women without breast cancer).  The women were asked to complete questionnaires designed to assess both dietary intakes and lifestyle risk factors.  The results of this study showed that:
  • Consuming more than 2,057 Calories/day increased breast cancer risk by about 2.5-fold.
  • There was a 1.4-fold increase in breast cancer risk in women who drank more than 8 cups of coffee per day.
  • Drinking more than 9 grams of alcohol per day was associated with a 1.5-fold increase in breast cancer risk.  [Note:  9 grams of alcohol per day would amount to less than 1 beer per day, less than 5 ounces of wine per day, and less than 1.5 ounces of 40-proof liquor per day.]
While the study summary does not mention the possible mechanisms by which these dietary factors increase breast cancer risk (for example: what component of coffee is responsible or were the individuals that were eating over 2,057 Calories/day overweight?), these results provide additional information showing the effect that our diet and lifestyle choices can have on breast cancer risk.   Enhancing our awareness of what can increase breast cancer risk is an important first step in reducing that risk.

You can find out about other diet and lifestyle changes that can reduce breast cancer risk in my book Fight Now: Eat & Live Proactively Against Breast Cancer ( 
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