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Myth: The brain can only use glucose for fuel.Fact: The brain can function on both ketone bodies and glucose. In a completely keto-adapted state, the brain can use up to 75% of its energy in the form of ketones. The brain can use up to 120g of glucose during a normal carb-addiction state, but it only uses 20% of your body's total metabolism. In a keto-adapted state, you only need 25% of the total glucose usage while the other 75% can come from ketones. If you do the math, subtract 75% energy in the form of ketones from 20% of the total energy used as glucose (120g) and it would equate to about 30g of carbs a day. The whole point of eating 30-50g of carbs on a ketogenic diet is to sustain the brain with the other 25% of energy in the form of glucose while the rests of the body loses excess bodyfat, but there are other ways to get glucose. Carbs aren't the only way. See below why. Myth_02: You have to eat carbs to provide a steady supply of glucose to your brain.Fact: Your body is an evolutionary marvel surviving millions of years adapting to unpredictable harsh environmental variables in almost every corner of the globe. Face it, we're survivors, otherwise we'd have been in same fate as the dinosaurs, long extinct. It can fast, it can eat fat and lose weight, and it can eat only protein and synthesize its own glucose using gluconeogenesis without ever touching carbs. Should your body not find any glucose due to weather constraints or unforeseen and unexpected circumstances, you can hunt/fish and survive on animal protein and fat until the next spring. That's how the Eskimos did it, before North America was invaded and their food became westernized. As a matter of fact, click on the link and read this Discovery Magazine article " The Inuit Paradox: How can people who gorge on fat and rarely see a vegetable be healthier than we are?."
Diet Calendar Entry for 23 March 2016:
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2674 kcal
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Fat: 209.83g | Prot: 173.16g | Carb: 36.60g.
Breakfast: Beef Brisket, Beef Jerky, Great Value Unsalted Dry Roasted Peanuts. more...
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 Comments
Interesting article, but who knows if what they are saying now will change again. My dad ate a lot of fat and meat and died of clogged arteries and problems. There are studies that show if you cut out meat from your diet you can reduce your risk of prostate cancer by 35%. I think what it comes down to is doing what is best for each person individually. I do believe lower carb is much healthier than high sugar high carb diet. Some people eat really low carb and do great, others have a host of problems. I try to stick to mostly plant based diet (fresh whole foods). Whatever you are doing is working great for you. So go you!
23 Mar 16 by member: Suzi161
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When your dad ate a lot of meat and fat and died of "clogged arteries," was he eating a low carb high fat diet or did he consume high carbs including sugars too? Also, people misconceive cholesterol and demonize as evil because they don't understand its function. Dr. Peter Attia, a medical doctor as well as swimming and cycling athlete, eats a proper keto diet, and I stress the term "proper." Most people who eat the keto diet don't fully understand how ketosis works, so they blindly eat it on their own terms and using their own "version" of the diet. Here's a lecture by Peter Attia about the Keto diet and how he was fit, but metabolically sick at the same time because he has more than normal amount of visceral fat despite looking like a "normal" person. He wasn't even obese. https://goo.gl/fexG7U and here's a lecture about common misconceptions about cholesterol and how fat and cholesterol got demonized by mass media as "evil." https://goo.gl/Se6iLE
23 Mar 16 by member: Bcoulal
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Most people who claim high consumption of meat has been correlated with "heart attacks," ignored the fact that over 60% of their meal consisted of carbs, specifically processed and refined sugar. In most studies that target meat as an evil food (which is biased and selectively clever), they literally leave out (omit) the part where these people eat 60%+ of their so-called high-fat and protein meals in carbs, which could be anything from cornbread to chocolate cake to ice cream.
23 Mar 16 by member: Bcoulal
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The ketogenic diet is a high fat, low protein and low carb diet. And no, it's not the Atkins diet. I never said you should eat only meat, just high quality fat from high quality foods, and lots of it. The primary purpose of this diet is to keep insulin from frequently spiking while journeying into a keto-adapted state and away from insulin resistance, which I've had before. I was pre-diabetic with frequent gout attacks every month. It was a painful lesson learned. I now no longer have gout attacks and am literally almost free from inflammation by eating a strict LCHF diet.
23 Mar 16 by member: Bcoulal
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The clever thing about some "scientific" studies geared towards a certain style of eating is that scientists will omit data from that study that can ruin the expected conclusions from the initial hypothesis. Basically in order to assure that the intended conclusion points to meat and fat as the "cause" of certain diseases, scientists will omit the fact that the entire diet consisted of carbohydrates too, and not to mention, a substantial amount of the entire meal were carbohydrates. They'll basically completely omit the carbohydrate part from the study and roll with the conclusion that "increased meat consumption is correlated with increased heart disease, cancer, and other chronic illnesses." Which is not only an inaccurate and incomplete conclusion, but ethically irresponsible to do so, hence, dishonest science.
23 Mar 16 by member: Bcoulal
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Some of these "controlled studies" on a fruit-based high carb vegan diet placed the volunteers on statins and even synthetic vitamin b12 shots (because you can't obtain b12 from plants, unless you eat the dirt from the roots too), which btw can suppress the effects of certain pending chronic diseases from forming and not even mention it in any parts of the study itself, again, dishonest science.
23 Mar 16 by member: Bcoulal
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