Weight Management Chapter 9 A Closer Look at Obesity Overweight Obesity Societal trends Increased opportunities for poor nutrition Decreased opportunities for physical activity Problems Associated with Weight Problems of underweight Problems of overweight/obesity What Is a Healthful Weight? Body weight vs. body fat Measuring body fat Underwater weighing BodPod Skinfold test Dual-energy X-ray absorptiometry (DEXA) Bioelectrical impedance What Is a Healthful Weight? Distribution of body fat Weighing in for health Body mass index (BMI) Waist circumference Weight-related health problems & disease risk factors Energy Balance Energy in vs. energy out Basal metabolism Voluntary activities Total energy needs Causes of Obesity Genetics Set-point theory Leptin Fat cell theory Environment Causes of Obesity A closer look at eating behavior Hunger vs. appetite Regulation - hypothalamus Arousal Stress Weight Gain & Loss Body composition Weight gain Carbohydrate to glycogen or fat Fat to storage fat Protein to fat Weight Gain & Loss Weight loss & fasting Early fasting - glycogen & fat Continued fasting - protein & fat Prolonged fasting - ketosis Weight Gain & Loss Drugs & weight loss Prescription & OTC drugs Nutritional supplements Herbal supplements Surgery & weight loss Gastric bypass Gastric banding Liposuction Diet Confusion--Weighing the Evidence How do diets work? By limiting food consumption What are common diets? Dr. Atkins New Diet Revolution The Zone Diet The South Beach Diet Weight Watchers Diet Confusion--Weighing the Evidence What are common diets? Dr. Ornish Eat More, Weigh Less Eat Right for Your Blood Type Dr. Phil’s Ultimate Weight Solution The New Glucose Revolution Diet Confusion--Weighing the Evidence How can you determine if a diet is healthful? Questions to ask Don’t give up! Research diets that interest you carefully using reliable sources Never Say “Diet” Adopt a nondiet approach to weight loss Set achievable goals Focus on health rather than appearance Successful Weight-Loss Strategies Personalize your weight-loss plan Aim for gradual weight loss Expect to reach a plateau Aim for a positive gain in lean body mass Maintain bone health by increasing calcium intake Adopt a physically active lifestyle Aiming for a Healthy Weight While Dining Out Choose carefully Request sauces/condiments on the side Downsize your order Eat slowly & enjoy the meal Eating well on the run Fast-food choices Weight-Gain Strategies Physical activity Changes in eating habits Breaking Old Habits Behavior modification Set a goal & get to know yourself Change behaviors & reward yourself Plan to take small steps Give it a try & adapt your plan! Be prepared for a relapse Set priorities Consider the “rule of three” Breaking Old Habits Strategies for changing the way you eat Record present eating behavior Identify cues/situations that trigger inappropriate eating Make it easy for yourself to eat the way you want to eat Take a look at and alter the manner in which you eat Reward yourself for positive behaviors Addressing Overweight in Childhood Prevalence of overweight in children Problems associated with overweight in children Reasons for overweight in children & adolescents today What children & adolescents eat & how it affects their health Addressing Overweight in Childhood Impact of the media on children’s nutrition status Impact of schools on children’s diets Efforts to help build more healthful school environments Prevention efforts recommended for addressing overweight in children The Eating Disorders Types of eating disorders Eating disorders vs. disordered eating Symptoms of anorexia nervosa Symptoms of bulimia Treatment of anorexia nervosa & bulimia The Eating Disorders Early warning signs of eating disorders Prevention strategies Helping someone who might have an eating disorder