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Chapter 6: Taking Control of Your Weight. An Invitation to Health Brief, 5th Edition Hales. Prepared by: Jeanne Freeman, PhD, CHES. The Global Epidemic. More than half of the people on this planet are overweight Obesity is emerging as number one public health problem of 21 st century - PowerPoint PPT Presentation
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Chapter 6: Taking Chapter 6: Taking Control of Your WeightControl of Your Weight
An Invitation to Health Brief, 5th Edition
Hales
Prepared by: Jeanne Freeman, PhD, CHES
The Global EpidemicThe Global EpidemicMore than half of the people on this planet
are overweightObesity is emerging as number one public
health problem of 21st century Governments need to also act to reverse
the obesity epidemic
The Global EpidemicThe Global Epidemic
Insert Figure 6-1 here Obesity varies by ethnic group, gender, and age Weight problems are starting earlier than ever
The Global EpidemicThe Global Epidemic
Insert Figure 6-2 here
Supersized nationSupersized nation
Variety of factors have played a role in the increase in overweight and obesity
More calories and bigger portionsFast foodPhysical inactivity and passive entertainmentModernization Prenatal factors and child developmentEmotional influences
Body ImageBody Image
Insert Figure 6-3 here
Based on study of 630 college females. Both white and African-American men considered BMI of 20 desirable for women.
Understanding Weight Understanding Weight ProblemsProblemsCollege students
Obesity rates have increased most rapidly for those 18 to 29 years of age
Easy to gain weight on campusesVending machinesFast-food countersCafeterias serving hearty meals
Best indicators ofBest indicators ofweight-related health risksweight-related health risks
Body mass index (BMI) Waist circumference (WC) Waist-to-hip ratio (WHR)
Health Dangers of ObesityHealth Dangers of ObesitySerious and potentially fatal disease
Rising rates of disability among younger Americans
Effects are equivalent to 20 years of aging Diseases associated with obesity
Cardiovascular diseaseDiabetesCancerSleep apneaRheumatoid arthritis
Health Dangers of Excess Health Dangers of Excess WeightWeight
Insert Figure 6-4 here
Health Dangers of Excess Health Dangers of Excess WeightWeight Impact on body
> Overweight; > disease incidence Race and ethnic variance Immune function Major diseases linked to obesity
Type 2 diabetes, heart disease, cancerLife expectancyEmotional toll
Methods to Gain WeightMethods to Gain WeightEat more of a variety of foodsEat more frequentlyChoose calorie-rich foodsDrink juiceAdd a commercial liquid mealExercise regularly
A Practical Guide to Weight A Practical Guide to Weight LossLossReadinessOvereating
Hunger – physiologicalSatiety
Appetite –psychological Easily led into temptationCreamy, buttery, or greasy foodsLeptin and ghrelin
A Practical Guide to Weight A Practical Guide to Weight LossLoss
Insert Figure 6-6 here
A Practical Guide to Weight A Practical Guide to Weight LossLoss Low-carbohydrate diets Low-fat diets
May enhance immune response Low-calorie diets
Recommended levels for each gender Very low-calorie diets
Serious health risks Lose muscle mass
Diet, PA, and behavioral therapy produces greater reductions
A Practical Guide to Weight A Practical Guide to Weight LossLoss
Insert Figure 6-7 here
Physical activity & Weight LossPhysical activity & Weight LossNonexercise activity thermogenesis
(NEAT)Usually does not lead to significant weight
loss Assures you lose fat rather than muscle
when combined with a healthy dietBenefits of exerciseShould include aerobic activity and
resistance training
The Psychology of Losing The Psychology of Losing WeightWeight Changing your food-related thoughts and
behaviors Greater self-efficacy/Internal locus of control Social support Common characteristics for success
Personal responsibility for change Exercise Monitoring Vigilance Breakfast
Treating Severe ObesityTreating Severe ObesitySevere or “morbid” obesity is increasing
faster than obesity itself BMIs over 40
Drug therapyObesity surgery
Unhealthy Eating BehaviorUnhealthy Eating BehaviorDistress over body image increases risk
for all forms of disordered eating Extreme dieting Compulsive overeating Binge eating Anorexia Nervosa Bulimia Nervosa
Eating DisordersEating Disorders
Insert Figure 6-8 here