DuodenalSwitchaRoo
Taking a long scenic route!
Nutrition Authority is a good place to point them. He has tons of studies on his blog.
I agree with everything you say except the last bit. Dr Atkins was a cardiologist and did a lot of research into this. According to him cholesterol in the body doesn't come from cholesterol in food. It is created in the liver, as I recall. The cholesterol levels of his cardiac patients dropped dramatically after following his diet for awhile. One thing about fat, is that it is very filling and keeps you feeling full for longer, so chances are you will eat less on a high fat diet anyway....Duodenal Switch patients *benefit* from LCHF diets in (1) that we still absorb carbs like normies so we can still gain weight if we ingest too many carbs, (2) many of us develop an intolerance for grains, rice, etc., and (3) our malabsorption of fats means that we can eat high fat with impunity, and we *need* to eat more fat to have enough to meet basic dietary needs for same. So it's nice to be included in the LCHF community even if our reasons for eating that way are different.
The only hesitation I have in recommending LCHF to a moderately obese normie is (3) above. I don't think it is likely a normie (or sleever) can eat unlimited fats with impunity - even if the caloric intake from such doesn't cause weight gain there are probably artery clogging implications / limitations.
I agree with everything you say except the last bit. Dr Atkins was a cardiologist and did a lot of research into this. According to him cholesterol in the body doesn't come from cholesterol in food. It is created in the liver, as I recall. The cholesterol levels of his cardiac patients dropped dramatically after following his diet for awhile. One thing about fat, is that it is very filling and keeps you feeling full for longer, so chances are you will eat less on a high fat diet anyway.
Thinking about this more, here's what I'd probably recommend to my friends in general based on their habitus/history and my experience. Dietary fat doesn't really come into the picture for me, except as a byproduct of carb restriction and high protein dietary choices.
1. Slightly to moderately overweight or not a surgical candidate: Low carb, high protein lifestyle
2. Obese with no comorbidities: Gastric sleeve followed by low carb, high protein lifestyle
3. Obese with comorbidities or morbidly obese or super-morbidly obese and able/likely to be compliant with DS protein, vitamin and follow-up care requirements): Duodenal Switch followed by high protein lifestyle
What are your thoughts? What would you recommend?
http://www.tunedbody.com/heart-surgeon-declares-really-causes-heart-illness/I think the jury on the full cardiovascular impact of eating a high fat diet is still out. Beyond bad cholesterol (LDL), there are other heart disease risk factors to consider, like inflammation (C Reactive Protein), triglycerides, and blood vessel flexibility. Many studies on these are out there, but some corroborate Atkins, some contradict, and most have small sample sizes or don't extend for long periods or don't have a perfect test v. control model where the diet is followed exactly and no cholesterol lowering medications are used... More research is definitely needed.