Vegetarian diet more effective for weight loss and metabolism
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I'm drawn to neither of these diets, but still find the results interesting. Why the difference? More fiber in the vegetarian diet, reducing overall carbs beyond those calculated perhaps a factor? |
Here's the study report:
http://www.tandfonline.com/doi/full...24.2017.1302367 Very vague report that makes it impossible to understand details about the diets: Quote:
So, here's another "study" using calorie restriction and comparing a vegetarian diet with a diet following the "dietary guidelines of the Diabetes and Nutrition Study Group of the European Association." Whatever this is, it's likely a diet that no one could follow to achieve good health. End result is that it's proven that the recommended diet is ineffective, and that calorie restriction on any diet results in weight loss over a period of time. Thankfully, they kept saturated fat to a bare minimum as it's the evil fat of the food pyramid sect where unfettered consumption would have resulted in one helluva calamity! Altruism abounds. Sheesh! |
Chris Gardner, a vegetarian himself, is the lead researcher for the A-TO-Z study. In that experiment, Atkins was best in all things measured, including weight lost. All 4 diets, including Ornish, were effective, Atkins was just most effective. It didn't compare the "diabetic diet", but I'm sure Atkins and Ornish beat that by a mile.
I understand why they only compared two diets, it's to make the vegetarian diet look good by comparison. If they'd also compared Atkins, their point would have been weaker. However, the A-TO-Z study also makes the good diets look good by comparison to standard crap. Maybe it's easier to choose between just two diets, but the fact is there's tons of different diets all over the world. It's a spectrum, not a binary choice. Even Weston Price's book shows that even though there's many different traditional diets, all of them maintain equally good health for the respective traditional populations. Low-carb can be done in many equally effective ways, i.e. Atkins, Protein Power, LCHF, KD, Paleo, etc. It can even be done without meat, it's just easier with meat. The lead researcher is from the PCRM and the PCRM is pushing an agenda, not a diet, but through diet. As such, the PCRM is unlikely to cooperate with any other diet group where the diets include meat to any degree. I find it ironic that this study would test a vegetarian diet - not really vegetarian, it's got some meat (animal products) in there, when the PCRM pushes a vegan diet devoid entirely of any animal product. Did they present a vegan diet to the ethical commitee and got denied because of the risks? Could be, I'd believe that. |
If the researchers are interested in a vegetarian diet I'd like to see an actual healthy one for diabetics (replace starch with healthy fats) for comparison.
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I just remembered. One of the most effective weight-loss diet is called semi-starvation, and there's a famous experiment done several decades ago by Ancel Keys, the Minnesota semi-starvation experiment. The results - emaciation and neurosis. It works real nice for weight-loss, not sure I'd agree to the emaciation and the neurosis.
In the results of the experiment we're discussing here, they talk about muscle loss from the diet, that's emaciation. I only skimmed it, but I'd say they won't mention the neurosis if there was some. So what is a semi-starvation diet? Mostly veggies, low calorie, very little meat. Sounds familiar, right? |
I suspect that by comparing a vegetarian diet with a standard diabetic diet it was assumed that people would infer that the standard diabetic diet was also the most successful diabetic diet, but we here know differently. The standard diabetic diet is an abysmal failure. Being better than a failed diet doesn't say very much. Dr Davis in his book "Undoctored" points out the better than is not the same as good.
Jean |
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I no longer believe anything they say. Because they have lied so often. |
You take people off most refined foods, you make it impossible or at least not worth bothering to try to order food at fast food outlets, and you restrict calories. Not surprising if there's some improvement. There's also the insulin-sensitizing effect, at least in the short term, of a very low fat diet to consider, Kempner's Rice Diet shows that even what I would call a shamelessly crappy very low fat diet can result in some improvements for type II diabetics vs. the standard diet. It would be surprising if the Rice Diet (with calorie restriction and extreme coercion, to the point where Kempner actually whipped some of his patients to encourage compliance) "worked" but a higher quality low fat vegan diet did not.
But there it's removing fat that's effective, not removing meat. Show me a study that pits low fat vegan vs. low fat vegan + low fat animal protein like fish, at even calories. The insulin-sensitizing effect of a high carbohydrate/low fat diet comes most probably from free fatty acid/lipolysis suppressing effects, take these out of the way, and cells are less resistant to using glucose for fuel. Protein is just as effective in this regard as carbohydrate, although there it's more of a mix of amino acids and glucose that free fatty acids are suppressed to facilitate the oxidation of. What burns me is when some low fat vegan gurus (McDougall comes to mind) use epidemiological evidence to favour a vegan diet, because without exception they are comparing an omnivorous diet of people with access to poptarts or the equivalent to an omnivorous diet without. Also, suppose I ate a vitamin c-free diet. Adding one orange a day might prevent scurvy. Maybe that's 3 percent of my calorie intake. McDougall might want to call meat negligible in diets that contain 5 percent of calories as meat--but again, that's enough to be protective, at least when compared to 0 percent, small doesn't mean non-essential. |
And on we go with the low-fat thing.
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