Colon most cancers is a leading cancer killer, yet there’s a paradox in Africa: Africans not often get the disease, even in trendy occasions when they're not eating their conventional entire food weight-reduction plan—that is, when they are not eating a lot of fiber, recent fruits, and greens. It is probably going their continued low prevalence of colon cancer—50 occasions decrease than ours—is said to their low intake of animal protein and fat, which I explored in my Solving a Colon Cancer Mystery video. But why would animal protein and fat improve most cancers danger? Well, as I famous in my video Bowel Wars, when you eat egg whites, for instance, about 5 to 35% of the protein isn’t digested and absorbed. Instead, it results in the colon, the place it undergoes a process referred to as putrefaction.
When animal protein putrefies within the gut, it may well result in the production of the rotten egg fuel, hydrogen sulfide, which, along with its objectionable odor, can produce modifications that improve most cancers danger. Putrefying protein additionally produces ammonia.
Over a lifetime on an ordinary Western eating regimen, the micro organism in our colon might release the quantity of ammonia present in 1,000 gallons of Windex. At concentrations discovered day-to-day contained in the colon on traditional Western diets, ammonia destroys cells, alters DNA synthesis, increases cellular proliferation, might improve virus infections, and favors the growth of cancerous cells. The merchandise of protein and fats digestion are in charge. We can double ammonia concentrations in the colon by consuming a variety of meat.
However, should you put individuals on a plant-based food plan, the enzyme activity that creates the ammonia in the colon drops like a rock within only one week.
Other bacterial enzymes are affected as properly. For instance, vegetables within the broccoli family can increase detoxifying enzymes within the liver. (See Prolonged Liver Function Enhancement from Broccoli for extra on this.) These so-called part 2 enzymes, UDP-glucuronosyltransferases, detoxify medicine and chemical compounds by making use of a chemical straightjacket. They can deactivate the date rape drug GHB or take the carcinogens in meat, like benzopyrene, and render them innocent before dumping them back into the intestine for disposal. But, if our liver detoxifies it, why is benzopyrene in meat nonetheless associated with rectal most cancers? Certain micro organism in our gut include the other enzyme—that removes the straightjacket and frees the carcinogen to wreak a final little bit of havoc before it leaves the physique.
Within one week of consuming plant-based, researchers found we will drop that enzyme activity in our colon by about 30%. But, this was with a uncooked, “extreme” vegan weight loss plan. What a few regular vegetarian eating regimen? Compared to a pound-of-meat-a-day food regimen, these positioned on a meat-free eating regimen for one month experienced a 70% drop in “toxifying” exercise. And, long-time vegetarians exhibit just a fraction of carcinogen-releasing activity in comparison with these on an ordinary American weight loss plan.
So, may this assist explain the elevated danger of colorectal cancer within the United States? Researchers put it to the check by taking biopsies from the lining of the colons of Americans versus Africans to measure cell proliferation charges, a marker for increased most cancers danger and decreased cancer survival. As you'll be able to see in my Putrefying Protein and “Toxifying” Enzymes video, the researchers found proliferating cells throughout the colons of Caucasian-Americans and African-Americans, however just a few have been seen within the African biopsies. The Africans had dramatically lower proliferation rates.
Overall, larger colorectal most cancers danger was associated with “higher dietary intakes of animal products and higher colonic populations of potentially toxic hydrogen and secondary bile-salt-producing bacteria.”
And, whereas the researchers have been getting the biopsies, they appeared round slightly: They detected solely 4 problems out of the 18 African colons they looked at. Out of the 17 African-American and 17 Caucasian-American colons, nevertheless, they found 21 issues in every group, including polyps, diverticulosis, and plenty of hemorrhoids. “The remarkably pristine condition of the colons in our African volunteers further supports our impression that [African] colons were, in general, far healthier than those of age-matched Americans.”
I encourage you to check out my Stool pH and Colon Cancer, How to Treat Kidney Stones with Diet, and Testing Your Diet with Pee & Purple Cabbage videos, which explain how we should always attempt to have an acidic setting in our colon (however alkaline in our kidneys).
For more on bowel health, see
Michael Greger, M.D.
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