Popular in Nutrition and Health
Popular in Health and Human Services
This 3 page Class Notes was uploaded by Kendall Krapfl on Monday October 12, 2015. The Class Notes belongs to 2310 at University of Iowa taught by Kathy Mellen in Fall 2015. Since its upload, it has received 8 views. For similar materials see Nutrition and Health in Health and Human Services at University of Iowa.
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Date Created: 10/12/15
Diet Wars Monday October 12 2015 459 PM 0 Popular Diets Atikins Nutritional Approach 0 Four Phases I Induction III 20 grams CHOday I Ongoing Weight Loss I PreMaintenance I Lifetime Maintenance 0 Based on menu recommended in New Diet Revolution book I 5 kcal carbohydrate I 35 kcal protein I 59 kcal fat 0 Problems I Weight loss initially due to water losses I Contains too little carbohydrates to prevent ketosis occurs in early stages I High saturated fat intake I Low carb foods aren39t low calorie I Not an invitation to eat only meat and cheese for life 0 The New Atkins for a New You 2010 o Allows more vegetables than old version I Leafy fiberfilled and unstarchy 0 Induction phase is only 2 weeks long I May skip it if less weight to lose 0 Problems I Allows followers to incorporate as much or little exercise as they want I Encourages sodium consumption III Helps counter the diet39s diuretic effect 0 South Beach Diet 0 Phases O 39 Phase 1 1200 kcalday III Strictest period III Only include highest fiber and lowest sugar carbohydrates 39 Phase 2 1300 kcalday III May add back fruit I Phase 3 1500 kcalday III Maintenance Problems 39 Good carb list is based on glycemic index 39 Doesn t include exercise I Low calorie intake 39 Labeling of foods as good versus bad III Bananasbad and Berriesgood Is one diet better than another 0 O O O 160 subjects randomly to one of four diets 39 Atkins 39 The Zone 39 Ornish 39 Weight Watchers Mean percent weight loss and Framingham score used to assess outcome No difference between the 4 diets in outcomes Compliance was an issue Highest dropout rates in Atkins and Ornish diets Does Macronutrient Composition Matter 0 No 0 4 diets tested with various macronutrient distributions 0 All groups lost weight due to consuming less calories than expended Summary of Studies 0 0 Compliance is consistently an issue Weight loss is result of calorie deficit 39 Much of initial weight loss is water Low carb diets shown to consistently lower triglyceride levels and increases HDL 39 No studies longer than 1 year conducted Effect on LDL cholesterol uncertain 39 Some studies show increase others decline 39 Individual responses may vary
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