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Why Vitamin B12 is so essential

From Audio: All About Vitamin B12: Part 1

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station description The Latest in Nutrition Research
Nutrition Facts with Dr. Greger
Duration: 04:20
Dr. Michael Greger explains the importance of Vitamin B12 as well as the symptoms of a deficiency.
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Dr. Michael Greger explains the importance of Vitamin B12 as well as the symptoms of a deficiency.
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Yeah. In 1853, a bedridden vegetarian was reported to experience a remarkable recovery upon eating meat Probably didn't help. He was an opium addict, but he had been doing that for a decade. It was only after five years as a vegetarian did he end up bedridden, covered in bedsores, my little beef and mutton. He was eventually up and about. Can't blame the poor guys. This was nearly a century before the discovery and identification of Vitamin B 12, resulting in just one of six separate Nobel Prize is awarded for teasing out its structure and function. One of the most dramatic events in the history of medicine was the Curing of pernicious Anemia A.B 12 deficiency disease and otherwise fatal disorder with the special diet centered around calf and beef liver, Vitamin B-12 levels start to drop within months of cutting out meat. Yes, there are all sorts of benefits of adopting more plant based diet, but Underestimating the risk of developing a B 12 deficiency, nullify the health benefits of a vegetarian diet or even a diet centered around plant foods, but contains meat only a few times a week. Even moderate amounts of animal parks may not be sufficient To restore and maintain adequate vitamin B 12 function. Vitamin B 12. It's not made by plants, it's not made by animals either, but rather microbes that blanket the earth. We presumably used to get b. 12 drinking out of a mountain stream or well. Water based on studies showing vegetarians and developing countries who drink purified water appear to be at higher risk. But now we Coronate the water supply. They kill off any bacteria, so we don't get a lot of B12 in our water anymore. We don't get a lot of color either. That's a good thing that we live in such a nice sanitary. Modern world, vegetarians living in developing world. Slums appear to have fewer B 12 problems, basically, the more hygienic our meals, The less B 12 we get our Fellow great apes like Gorillas, get all the B 12. They need eating their own feces. I prefer supplements before getting into the nitty gritty Of how much to take, how frequently which type is best. What are the symptoms of B-12 deficiency? What aren't the symptoms of B 12 deficiency? It's known as the great masquerade. Er It can cause everything from abdominal distension and chronic diarrhea to shortness of breath and swollen red painful feet. It can also cause Parkinson's syndrome, like symptoms, skin darkening that resolved with supplementation and something I had never heard of before, bilateral useless hand syndrome. The many faces of B 12 deficiency include neurologic symptoms such as numbness and tingling in the hands and feet, muscle cramps, business cognitive disturbances, difficulty walking, erectile dysfunction, as well as fatigue and psychiatric symptoms like depression and even psychosis. For example, 47 year old woman with a five year history of psychosis treated with anti psychotic drugs, cognitively impaired reporting visual hallucinations. Until Finally, her mother revealed that the patient was following a strict vegan diet for seven years. She started B 12 supplements and her symptoms went away. Years of her life lost in a psychotic haze, all apparently because she didn't want to take a supplement. But vitamin B 12 supplementation is mandate to worry for anyone eating plant based diets becoming psychotic is bad, but hey, better than falling into a coma, not to mention suddenly going blind with multiple organ failure. All Thanks to B 12 vitamin deficiency on a vegetarian diet, looking into his eyes, they saw exuberant hemorrhages, he was bleeding into his eyes. You don't have to be an ophthalmologist to recognize this is not what the back of your eyes should. Probably look
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