2009 Cengage-Wadsworth Chapter 2 The Digestive System: Mechanism for Nourishing the Body.
2010 Cengage-Wadsworth Weight Management Chapter 9.
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Transcript of 2010 Cengage-Wadsworth Weight Management Chapter 9.
2010 Cengage-Wadsworth
A Closer Look at Obesity
• Overweight• Obesity• Societal trends
Increased opportunities for poor nutrition
Decreased opportunities for physical activity
2010 Cengage-Wadsworth
Problems Associated with Weight
• Problems of underweight• Problems of overweight/obesity
2010 Cengage-Wadsworth
What Is a Healthful Weight?
• Body weight vs. body fat• Measuring body fat
Underwater weighingBodPodSkinfold testDual-energy X-ray absorptiometry (DEXA)
Bioelectrical impedance
2010 Cengage-Wadsworth
What Is a Healthful Weight?
• Distribution of body fat• Weighing in for health
Body mass index (BMI)Waist circumferenceWeight-related health problems & disease risk factors
2010 Cengage-Wadsworth
Energy Balance
• Energy in vs. energy out• Basal metabolism• Voluntary activities• Total energy needs
2010 Cengage-Wadsworth
Causes of Obesity
• GeneticsSet-point theoryLeptinFat cell theory
• Environment
2010 Cengage-Wadsworth
Causes of Obesity
• A closer look at eating behaviorHunger vs. appetiteRegulation - hypothalamusArousalStress
2010 Cengage-Wadsworth
Weight Gain & Loss
• Body composition• Weight gain
Carbohydrate to glycogen or fatFat to storage fatProtein to fat
2010 Cengage-Wadsworth
Weight Gain & Loss
• Weight loss & fastingEarly fasting - glycogen & fatContinued fasting - protein & fat
Prolonged fasting - ketosis
2010 Cengage-Wadsworth
Weight Gain & Loss
• Drugs & weight lossPrescription & OTC drugsNutritional supplementsHerbal supplements
• Surgery & weight lossGastric bypassGastric bandingLiposuction
2010 Cengage-Wadsworth
Diet Confusion--Weighing the Evidence
• How do diets work?By limiting food consumption
• What are common diets?Dr. Atkins New Diet RevolutionThe Zone DietThe South Beach DietWeight Watchers
2010 Cengage-Wadsworth
Diet Confusion--Weighing the Evidence
• What are common diets?Dr. Ornish Eat More, Weigh LessEat Right for Your Blood TypeDr. Phil’s Ultimate Weight Solution
The New Glucose Revolution
2010 Cengage-Wadsworth
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
2010 Cengage-Wadsworth
Never Say “Diet”
• Adopt a nondiet approach to weight loss
• Set achievable goals• Focus on health rather than appearance
2010 Cengage-Wadsworth
Successful Weight-Loss Strategies
• Personalize your weight-loss plan
• Aim for gradual weight lossExpect to reach a plateauAim for a positive gain in lean body mass
Maintain bone health by increasing calcium intake
• Adopt a physically active lifestyle
2010 Cengage-Wadsworth
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
2010 Cengage-Wadsworth
Breaking Old Habits
• Behavior modificationSet a goal & get to know yourselfChange behaviors & reward yourselfPlan to take small stepsGive it a try & adapt your plan!Be prepared for a relapseSet prioritiesConsider the “rule of three”
2010 Cengage-Wadsworth
Breaking Old Habits
• Strategies for changing the way you eatRecord present eating behaviorIdentify 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
2010 Cengage-Wadsworth
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
2010 Cengage-Wadsworth
Addressing Overweight in Childhood
• Impact of the media on children’s nutrition status
• Impact of schools on children’s dietsEfforts to help build more healthful school environments
• Prevention efforts recommended for addressing overweight in children
2010 Cengage-Wadsworth
The Eating Disorders
• Types of eating disorders• Eating disorders vs. disordered eating
• Symptoms of anorexia nervosa• Symptoms of bulimia• Treatment of anorexia nervosa & bulimia