NUTR 344 Lecture Notes - Lecture 6: Dean Ornish, Grapefruit Diet, Calorie Restriction
9 Aug 2019
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High pt or carb ( thermogenesis, less deposition of calories), low fat. Ketosis; appetite; small excretory loss of calories; difficult to compensate for excluded foods. Slowed ingestion rate ( chewing), impaired digestion/absorption of nutrients, satiety-inducing. Fasting/semi-fasting (under medical supervision, before bariatric surgery/abdominal surgeries-- fat in. Total fasting: diets definitions, ketogenic diet liver, size of the liver) Moderate fat (balanced: weight, protein power, atkins. Low/very low fat food combining: ornish-eat more, montignac. 1800 2600calories: no set menu, dieter chooses btw 12 breakfasts, 10 lunches, 25 suppers: comparison to dri, lack of vit e, d. Controlled freedom slightly higher gi but must compensate the next day. Will occur with energy restriction: weight loss not guaranteed on all plans, compliance with guidelines is limited with high fat diets, several diets are nutrient inadequate, especially extreme, no educational component, poor long-term adherence, risk of weight regain. But consider impact of weight loss on blood lipids. Calcium, vitamin d, vitamin e, thiamin, zinc, iron.
