as i understand it, bariatric surgery works almost instantly due to bypassing part of the digestive system which triggers insulin release.
i have seen the video, and cant find it. The diagram shows the bypass bit, and works within hours. Nothing to do with calorie reduction or cutting. its the bypassing of the duodenum which does the trick. Hence it is the part of the digestive system which is bypassed. It is explained here: http://www.laparoscopic.md/digestion/duodenum
Jason Fung does a video on this but I cannot find it.
It isn't the digestive system because it according to the video works just as well if the stomach is made smaller using a band - where no cutting takes place. Though there is evidence that the cut and paste surgery does indeed by pass a part of the gut which apparently helps a lot.
Don't people who are having gastric surgery go on an ultra low calorie diet before the operation? I had an inkling that this is what caused the idea that the ND may work.
And possibly even more interesting
"The liver shrinking diet
The liver shrinking diet is an eating plan low in dietary carbohydrate and fat that will encourage your body to use up glycogen (a form of sugar that is stored in the liver and muscles for energy) and fat stores to help shrink the size of your liver.
With each ounce of glycogen your body stores three to four ounces of water². When you follow a very strict diet that is low in starch and sugars your body loses its glycogen stores and some water resulting in your liver shrinking.
This diet is only recommended before surgery and is not to be followed post–operatively.
It is quite possible that you will lose a lot of weight following the liver shrinkage diet but it will mainly be water loss. This diet usually allows between 800 to 1000kcal a day.
By reducing the size of the liver, the operating time for laparoscopic surgery is shortened and the procedure is safer.
In some instances, a bariatric surgeon may postpone surgery if the patient's liver is too large."
Same page
Both articles really interesting - and goes to show that when you think you have read it all you find that to be far from the truth.
Can anyone explain in simple terms how the Newcastle Diet reverses insulin resistance. Some of what I've read seems to be contradictory but I'm obviously missing something :
1. The idea is to try and mimic what happens with bariatric surgery (which evidence shows does reverse insulin resistance)
2. With bariatric surgery the effect is within days, so is not due to weight loss
3. Dr Mosley's book 'The Blood Sugar Diet' suggests you can either do eight weeks on 800 cals (like Newcastle Diet but using 'real food') or you can take a longer time to lose weight and it will be equally effective. This book has apparently been endorsed by Prof Roy Taylor. This approach seems to suggest that the key is to reduce the fat in the liver and pancreas by losing weight.
Keeps me amused for hours...Oh yes..... weirdly it sort of turns in to a hobby.
I didnt say that the Newcastle diet doesnt work. I simply replied to the question of how bariatric surgery works so quickly.Ok - I can only tell you what I have read - I have been studying and reading everything I can on the ND diet and the links between bariatric surgery.
Happy for you to go with what you say - but it seems strange that the ND diet - based on B surgery could work if it wasn't calorie reduction of the other papers which show it is the fact that even those with bands can only eat tiny amounts - which is calorie reduction.
I have defo seen a video which states that this is rapid calorie reduction.
I didnt say that the Newcastle diet doesnt work. I simply replied to the question of how bariatric surgery works so quickly.
The newcastle diet, or anything similar to it, works more slowly and temporarily, as the crucial bit of the duodenum action hasnt been bypassed, so returning to the wrong eating will cause the diabetes to return.
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