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you asked about animal fat. all other fats are totally unneeded.
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Unneeded for what? According to what I've read, saturated fats increase the pattern A LDL particles and decrease the pattern B LDL particles which decreases risk for cardiovascular disease.
Dietary fat is also needed for calcium absorption.
Conjugated Linoleic Acid can only be obtained through intake of ruminant products (beef fat, full-fat cheese, full-fat milk).
Fat is one of the body's primary energy sources.
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within the body, most dietary sugars are converted to glucose, a major fuel used by all cells and the primary fuel required by brain tissue for normal function. low levels of glucose in the blood will impair the brain and cause permanent mental impairment or worse - coma or death.
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First of all, the brain can and does function quite well on ketones as an energy source. Secondly, the body maintains blood glucose within a certain range in non-diabetic individuals (70-110), either through converting carbohydrates to glucose or through gluconeogenesis if carbohydrates are unavailable. It is only in diabetic individuals where blood glucose can fall to the levels that would induce coma or death.
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i want to see a marathon runner, etc., who is not intaking a lot of carbs. carbs are by far and away, our best and fastest source of energy.
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I've read 2 studies recently where they tested this theory. Results? In a study of trained male and female runners, those with 44% of their calories coming from fat increased their endurance time by up to 14% over the low fat group (13% of calories from fat). In another study of cyclists, those with up to 70% of their caloric intake from fat nearly doubled their resistance to fatigue during prolonged moderate intensity cycling.
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you are distinguishing carbs strictly by GI. i am distinguishing them by good food, and crap food, which is what low carb diets do not do. to think that a potato and a twinkie are the same, if their GI happens to be the same, is absolutely ludicrous.
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low carb does distinguish between good food and crap food (hint...you won't find anyone on low carb eating crap food as you call it). As for the difference in GI between the potato and the twinkie, the twinkie is actually lower as would be a Snickers bar, but both of those are also nutritionally empty and neither are part of a low carb program.
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one does not need to worry about glycemic index, but rather the types of carbs they are eating. if one limited oneself to fresh produce and whole grains as one's carbohydrate intake, this would be all one would need to do. you could toss the high glycemic index out the window.
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I see. So it doesn't matter how many or what types of high glycemic grains and veggies you consume as long as they are fresh and natural? Studies (yes, I know...you don't care about studies) have shown that diets that contain a lot of high GI foods, and the source didn't matter; when it comes to GI, your body doesn't care if it's a Twinkie or a potato, lead to lower HDL which increases risk for cardiovascular disease.
You can throw the glycemic index out the window if you like, but I'll continue to use it as a basis for how good or not good any food is for me as well as the vitamin, mineral and phytonutrient content. Once again, those that are highest in all these categories also tend to be the lowest in carbs and lowest on the glycemic index, so I win on all fronts.
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i know my mom had extreme worries when i stopped eating meat. she had been taught that it was necessary for correct protein
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And she was right to be concerned since animal protein is the only source of complete essential amino acids. Without using animal protein as your source of essential amino acids, most people have a tough time getting enough of them.
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in terms of how much fat, i have stated as a starting point, 2 tablespoons of safflower oil (75% omega6, which is 28 grams of fat, and about 240 calories.) protein (probably at least 100 grams for everyone, with many having higher requirements, because of size and other variables.) the rest should be fresh produce and whole grains, because it is in these foods where we get all our phyto-nutrients, as well as our sugar.
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Let's see....that's a total of 640 calories from fat and protein. If I'm shooting for about 1,600 calories total per day, that means that the other 960 have to come from carbs. That's 240 grams of carb per day. Can we say "Diabetic developing complications and needing to go on insulin therapy because blood sugars are shooting into the atmosphere"? Sorry...tried it that way (ala the ADA high carb/low fat/low protein diet) and wound up with my blood pressure sky high and my blood sugars out of control. No, thanks.
I'd rather eat like this and have normal blood pressure, normal blood sugar, no need for medications and picture-perfect blood work.