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Actually the brain is somewhat unique in that I believe it is the only organ in the body that exclusively uses glucose for fuel. I don't know about anyone else here, but I don't consume glucose by itself. (And as the reference value for most GI testing, with a GI of 100, it is not a good idea to do so either.) Of the three major macronutrients, fats, proteins and carbohydrates, carbohydrates are the "closest" to being converted to glucose to fuel body and brain cells. Here is what the Univ. of Pennsylvania Health System has to say of the function of carbohydrates: (emphasis my own) Quote:
source: http://pennhealth.com/ency/article/002469.htm The Partnership for Essential Nutrition also has this to say: (again my emphasis) Quote:
source: http://www.essentialnutrition.org/carbs.php If I was not "accurate" then I guess a lot of other experts in the field are confused as well. The Partnership goes on to say: Quote:
I have seen different estimates on that minimum level but nothing below 100 gms per day in total. I have run a number of scenarios of how to get to 100 gms a day on P1, but usually end up around 80-90 if you are using all of your dairy, veggies and legumes and most people do not do that much. Usually that one extra fruit or grain to start P2 gets you into the actual adequate range for carbohydrate consumption. So my simple point which seems to have gotten lost in all this was simply that if you haven been artificially depressing the amount of carbohydrate intake for a period of time by following Atkins induction, then why not make a healthy choice and try to get above that 100 gm. total carbohydrate intake level that is recommended by most nutrionists as a bare minimum? I'm following the same program everyone else is here, but I just want to help and provide good info and support where possible. I had no idea that my suggestion would prove to be so controversial. I still think genjo should acclimate at whatever level she is comfortable with. I think that should be with the very first baby step of P2, but others here disagree. That's fine. I'm all good with that. If we all thought exactly the same, the world would be a very boring place. The good news is that P2, and SBD in general, with it's emphasis on complex and lower to moderate GI carbohydrate sources and frequent meals and snacks is pretty much ideal for optimizing brain function. For a variety of reasons, simple sugars and higher GI carbohydrate sources actually work against brain functions. I found this a really interesting page to read as well if anyone is still reading. http://www.fi.edu/brain/carbs.htm Best wishes to all on their journey! |
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Actually, this is incorrect. Only a portion of the brain must have glucose for fuel and cannot use ketone bodies instead; the brain stem, along with the medulla of the kidney and the few cells of the body that have no mitochondria. All other cells of the body can and do use ketone bodies in place of glucose for fuel. The body is also quite capable of converting protein to glucose for those cells that require it. If this were not true, I would have been brain damaged/brain dead several years ago as my plan limits total carbohydrate intake to 30-40 grams per day and I have been at this level for over 6 years. See this link and this link |
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:thup: Agreed. Quote:
Too low, atleast 60% of your intake should come from carbs, especially from grains, don't think otherwise, it's artificial and bad for you......:rolleyes: Quote:
1-) The goverment supported along of wrong things from nutrition and other things that I will not get into here because of forum rules, just because the food pyramid of death suggests something, does not mean automatically it's right, you have a brain, use it. 2-)You are not following the same program as everyone else here, I have no idea what souch beach is, probably another reduced calorie, eat like you used to before! program or something like that, I eat nothing but animals, flesh and organs, and alot of people don't do south beath as well. 3-)Reading info from the surface without scratching deeply and looking at everything connected to it, is the start of many fallacies. Since I stopped eating carbohydrates, my mind and body are functioning alot better, there is no use for them, the only thing good about carbohydrates is that things like pop tarts, spaghetti& meatballs, pizza, Mcdonalds, etc.... taste great, but so do 3 packs of cigarettes a day, a 12 pack of beer, 1/2 a bottle of Chivas and some other things...;), get my point? |
Ketones are good for the brain.
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http://www.essentialnutrition.org/carbs.php
I'm repeating yoga's link, in case anyone failed to click on it. Check out the Mission statement; it's sort of a Nicean Creed of government and education establishment carbohydrate supporters. Science by consensus. Yeuch! The only time I feel stupid is when I eat too many carbs, but that's only because I know better. |
Most of us in this forum must be blithering idiots because we use one form or another of a low carb diet and obviously our brains are being deprived of food. (Never mind the fact that we feel better, we look better, we think more clearly and our families tell us we're far easier to get along with)
but Because of what the "experts" say, I guess I should probably get my affairs in order because I can see the lights of the nursing home on the horizon. :lol: :lol: :lol: :lol: :lol: :lol: :lol: :lol: What a crock! |
Here is one more reference debunking the glucose myths.
http://www.sportsnutritionsociety.o...1-2-7-11-04.pdf |
one thing that always struck me was the fact that the liver is capable of manufacturing glucose from ingested fats and proteins. however, the body is NOT capable of manufacturing certain fatty acids (i think it's the omega-3's, not sure though) in sufficient quantities from ingested carbohydrate. just because evolution works by jury-rigging the system together doesn't mean that the system doesn't work, and just because science says "oh wow, the brain works on glucose, i guess that means we have to eat lots of carbohydrates to make the brain work!" doesn't mean that the brain didn't work just fine before that discovery.
i love science, i really do, but i hate it when one answer or one fact gets extrapolated into covering 17,997 different questions. |
I sometimes wonder how the human race ever survivived. It was only relatively recently that we started eating carbs on a mass scale - prior to aggriculture the only way we would have got hold of any significant high carb products would have been fruit and the occasional hive of wild honey!
My brain has worked ok since I started low carbing 4 years ago and I still stick with around 30 carbs a day. I'm blonde and scatty anyway, but I was no better when I had carbs - in fact in those days I was always tired and lethargic. |
I've been lowcarbing for six years, averaging about 40 net carbs a day, most days. Obviously I have not died yet.
While I sometimes get tired and scatterbrained, especially when stressed or after a long day - doesn't everyone? - my brain functions well enough to get me through my job as a full-time college instructor, with a part-time job teaching an online writing course on the side. To relax, I do puzzles (I specialize in cryptic crosswords and "Evil" Sudokus) and read - sometimes on line, but I also read 3-4 books a week. I will be 52 in a few weeks. I think my brain's functioning just fine! Rachel |
Further to Rachel's post, I'm 70 - I was in the menopausal "brain-fog" stage for a number of years until, about 10 years ago, I got back on Atkins. Guess what? Brain fog lifted and I'm able to function normally again and no, I don't think finishing meno has caused this - I'm one of those people who seem to keep the symptoms forever! You can't believe how ready I am to see the end of hot flushes!!!
Glenda |
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The one question, which proves carbohydrate is not an essential nutrient is this - "what deficiency disease is caused by inadequate carbohydrate consumption?" |
Is dietary carbohydrate essential for human nutrition?
Is dietary carbohydrate essential for human nutrition?
http://www.ajcn.org/cgi/content/full/75/5/951-a Is dietary carbohydrate essential for human nutrition? Eric C Westman Department of Medicine Duke University Medical Center Suite 200-B Wing Box 50, 2200 West Main Street Durham, NC 27705 Email: ewestman~duke.edu Quote:
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Nuts and seeds (allowed on low-carb diets) are an even better source! |
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