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UW-Madison NUTRSCI 132 - Obesity Epidemic

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NUTR SCI 132 Lecture 18 Outline of Last Lecture I. Thrifty MetabolismII. Body Compositiona. Underwater WeighingIII. Total Energy Expenditurea. Basal Metabolic Rate, Physical Acivity, Thermic Effect of FoodIV. Set Point TheoryV. BMIa. (weight (lbs)/height2(in))*700Outline of Current Lecture I. Weight FluctuationsII. Disease Risk TerminologyIII. Obesity Epidemica. Trendb. Treatmentc. Techniques for weight lossCurrent LectureI. Set Health Goalsa. Asses behaviors needed to achieve goalsII. Weight Fluctuationsa. Weight loss does not always equal fat lossi. The scale can be deceivingii. Muscle building can mask fat lossiii. Water Retention1. 1 pint of water = 1 lb2. 1 lb of fat = 3500 kcalIII. Disease Risk Terminologya. Prevalencei. Def: Number of cases in a given population or the proportion of that population suffering from the stated conditionb. Relative Riski. Def: A comparison of the risk of a particular event for different groupsof people.These notes represent a detailed interpretation of the professor’s lecture. GradeBuddy is best used as a supplement to your own notes, not as a substitute.1. Increased Relative risk for obese for diseases such as…2. Insulin Resistance3. Coronary Heart Disease4. Risk of Kidney Stones5. Sleep ApneaIV. Obesity Epidemica. General Trend in US!b. Many more children and adolescents obesei. We could see decrease in Life Expectancyc. Treatmenti. Surgical Interventionsii. Pharmacotherapyiii. Diet and Exercise1. First and necessary form of treatment (for everyone!)2. Dietinga. Chronic restriction of food intakeb. May result in: Decreased BMR due to adaptation (especially if there is meal skipping)c. Diet only/no exercisei. Lose muscle weightii. Decrease BMR due to loss of muscleiii. “Dieting” is not sustainabled. Lifestyle changei. Sustainable3. Activity and Obesitya. Energy Intake = Energy Expenditureb. Increase expenditure via:i. Physical activity1. Aerobic Exercisea. Short term post exercise increasein metabolism2. Strength Exercisea. Increases BMRc. Maintaining Basal Metabolismi. Building Muscle Massii. Eating Regular Meals (Carbohydrate)1. Survival Mechanisma. Gluconeogenesis2. Slows Metabolismd. Manage Energy Intakei. Reduce energy density of your diet1. Fat = 9 kcal/g2. Protein = 4 kcal/g3. CHO = 4 kcal/gii. Learn new preferences for food intakeiii. Reduce concentrated sugar intakeiv. Increase fiber intakev. Chew Foode. Behavior Changei. Mindless Eatingii. Emotional or physical Hungeriii. Scales of Hungerd. Helpful techniques for Decreasing Weighti. Have regular mealsii. Create a healthy environmentiii. Avoid trigger foods or locationsiv. Food journalingv. Drug Therapy1. Appetite Suppressant a. Sibutrimineb. Phenterminec. Qsymia2. Fat Blocker a.


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