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Dietary Fat and Breast Cancer

When you go on the Grain Brain program, one of the things that is important is that you reduce your consumption of carbohydrates while increasing your consumption of dietary fat. Occasionally a woman might ask “Won’t that increase my risk for breast cancer?” As a matter of fact, when we look at the science we see that it will actually decrease your risk for breast cancer!

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  • taffytee

    Please give article title, authors, page numbers and volume in JAMA in which this study is presented. Thank you.

  • taffytee

    Please give the bibliographical listing of the study mentioned in the video above. Thank you

  • Dr. A

    As a runner who was brainwashed by the food pyramid years ago, I, like many others, mistakenly believed “complex carbs” were good for me. It has taken me a very long time to completely turn my thinking around and my diet. Attending your lectures over the past several years has shown me how we as physicians can really make a difference in our patients ives – without drugs. I myself feel much healthier since eliminating grains, and putting healthy fat into my diet. Yet, in spite of this powerful study – and plenty of other evidence for cardiac and neurological benefit in the literature, there remains an enormous resistance among my colleagues, and I am something of an outlier in what I teach my patients. Thank you, Dr. Perlmutter, for getting the word out about the importance of good fat in the diet; I will forward this to my patients.

  • leah

    how do I find a Dr in my area, Panama City Beach area ?

  • Lynn Dell

    Has to be the right kind of fats in combination that will keep runaway inflammation in check. I wonder if there are any good studies done on ketogenic diets and breast cancer outcomes.

    • TechnoTriticale

      > … studies done on ketogenic diets and breast cancer outcomes.

      I suspect we’re all waiting for data on LCHF/VLC/KD/grain-free vs. cancers of all sorts.

      Meanwhile, the study referenced here is 15 years old, and is based on the even older (1980+) Nurse’s data set (often criticized, mainly due to the problems with self-reporting diet, but also due to what we now know are significant confounding factors that now can’t be filtered out of the data).

      I suspect the main take away is that even with what what was known about fat consumption during 1980-1994, the data suggest that risk does NOT rise with fat consumption.

  • Drapetomania

    Yes..but the authors did not report the outcome as you did.They flipped it around and said through gritted and mendacious teeth ”

    We found no evidence that lower intake of total
    fat or specific major types of fat was associated with a decreased risk
    of breast cancer.

  • baerbel

    don’t all nuts contain phytic acid? what about soaking them first?

  • Interested Party

    In addition to this being an older study, the good doctor is citing relative risk ratios, I think. The absolute risk was about 1% and less than 1.2% in the 2 groups. This is really low and Dr. Perlmutter should not be citing such stats to support anything. There is effectively NO association of cancer risk with fat consumption, and the authors were right to say so. That does not mean that eating a high fat diet is not good for us. I believe it is, but let’s not use poor science to show it.

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