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Why We Shouldn’t Forget About Fiber

Why We Shouldn’t Forget About Fiber

The famous surgeon Denis Burkitt is better known for his discovery of a childhood cancer now known as Burkitt’s lymphoma than for his 1979 international bestseller Don’t Forget the Fibre in Your Diet.

Anyone asked to list the twenty or more most important advances in health made in the last few decades would be likely to include none of what Dr. Burkitt considered to be among the most significant. What was the number one most important advance in health according to one of the most famous medical figures of the 20th century? The discovery that “Many of the major and commonest diseases in modern Western culture are universally rare in third-world communities, were uncommon even in the United States until after World War l” yet are now common in anyone following the Western lifestyle. So it’s not genetics—they’re lifestyle diseases. This means they must potentially be preventable.

Those eating the standard American diet have very high levels of a long list of diseases—such as heart disease and colon cancer—that were similar to the rates of disease in the ruling white class in apartheid Africa. Conversely, the rates in the Bantu population were very low. These native Africans ate the same three sister diets of many Native Americans, a plant-based diet centered around corn, beans, and squash. In fact, it was reported that cancer was so seldom seen in American Indians a century ago they were considered practically immune to cancer—and heart disease. What are “very low” rates? 1300 Bantus were autopsied over 5 years in a Bantu hospital and maybe one case of ischemic heart disease, the West’s number one killer.

The Bantu’s rates of heart and intestinal disease is similar to poor Indians, whereas wealthier Indians who ate more animal and refined foods were closer to those in Japan—unless they moved to the U.S. and started living like us. You find similar trends for all the other so-called Western diseases, which Burkitt thought were related to the major dietary changes that followed the lndustrial Revolution: a reduction in healthy plant foods—the source of starch and fiber–and a great increase in consumption of animal fats, salt, and sugar. His theory was that it was the fiber. He believed all of these major diseases may be caused by a diet deficient in whole plant foods, the only natural source of fiber.

Fiber? In a survey of 2,000 Americans, over 95% of graduate school-educated participants and health care providers weren’t even aware of the daily recommended fiber intake. Doctors just don’t know. How much fiber should we shoot for? The Institute of Medicine recommends 38 grams for men 50 years and younger and 30 grams for men over 50 years. Women 50 years and younger should get 25 and those older than 50 should get 21 grams. I also recommend we look to our evolutionary past for more clues on fiber intake. See my video Paleolithic Lessons.

One analogy Dr. Burkitt used is this: “If a floor is flooded as a result of a dripping tap, it is of little use to mop up the floor unless the tap is turned off. The water from the tap represents the cause of disease, the flooded floor the diseases filling our hospital beds. Medical students learn far more about methods of floor mopping than about turning off taps, and doctors who are specialists in mops and brushes can earn infinitely more than those dedicated to shutting off taps.” And the drug companies sell rolls of paper towels, so patients can buy a new roll every day for the rest of their lives. To paraphrase Ogden Nash: modern medicine is making great progress, but just headed in the wrong direction.

How do we know that diet was the critical factor? Because when we place people stricken with these diseases on plant-based diets, in some cases their disease can be reversed (Our Number One Killer Can Be Stopped). In fact it was the work of Burkitt and others in Africa that led to the disease reversal work of pioneers like Nathan Pritikin (Engineering a Cure).

In health,
Michael Greger, M.D.

PS: If you haven’t yet, you can subscribe to my free videos here and watch my live year-in-review presentations Uprooting the Leading Causes of Death, More Than an Apple a Day, and From Table to Able.

Related:
What Your Poop is Trying to Tell You
Prunes, Metamucil, or a Plant-Based Diet?
Increased Lifespan From Beans
Big Food Wants Final Say Over Health Reports

Read more: Health, Alternative Therapies, Diet & Nutrition, Eating for Health, General Health, Healthy Aging, Heart & Vascular Disease, Men's Health, Natural Remedies, Videos, Women's Health, , ,

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Dr. Michael Greger

A founding member of the American College of Lifestyle Medicine, Michael Greger, M.D., is a physician, author, and internationally recognized speaker on nutrition, food safety, and public health issues. Currently Dr. Greger serves as the Director of Public Health and Animal Agriculture at The Humane Society of the United States. Hundreds of his nutrition videos are freely available at NutritionFacts.org.

77 comments

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7:32PM PDT on Aug 17, 2014

love that all the fiber flushes toxins out of your system

2:01PM PDT on Aug 16, 2014

I'm Forwarding to those who would be interested. Thanks for posting.

9:58PM PDT on Aug 13, 2014

Thank you :)

5:05AM PDT on Aug 12, 2014

Good information. Thank you for sharing:)

12:02AM PDT on Aug 12, 2014

Plenty of fibre on my vegan diet. Well acquainted with the toilet, too!
(Apologies if I shared too much information there).

1:46PM PDT on Aug 10, 2014

Thank you

5:17AM PDT on Aug 10, 2014

I try to make sure we get enough fiber, thanks for the reminder.

4:57AM PDT on Aug 10, 2014

ty

3:11PM PDT on Aug 9, 2014

Thank you

3:07PM PDT on Aug 9, 2014

TY for sharing

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Disclaimer: The views expressed above are solely those of the author and may not reflect those of
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