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Lecture Discovering nutrition - Chapter 9a: Spotlight on eating disorders

After studying this chapter you will be able to understand: The eating disorder continuum, no simple causes, anorexia nervosa, bulimia nervosa, binge-eating disorder, body dysmorphic disorder, night-eating syndrome, males: an overlooked population, anorexia athletica, the female athlete triad. | Spotlight on Eating Disorders Eating Disorders Eating disorders ≠ disordered eating Eating disorder: Serious illness affecting daily activities Disordered eating: Usually temporary or mild change in eating patterns The Eating Disorders Continuum DSM-5 assigns eating disorders to categories across a continuum Self-starvation at one end Binge-eating disorder on the other No Simple Causes Predisposition Social factors Expectations for body size and shape Psychological factors Peer relationships Family expectations Emotional trauma No Simple Causes Biological factors Neurotransmitter levels Genetic factors Synthesis and release of leptin and orexin Anorexia Nervosa Diagnostic criteria Body weight < 85% of expected (BMI ≥ 17.5 kg/m2) Intense fear of weight gain Distorted body image Amenorrhea Causes Warning signs Anorexia Nervosa Treatment Goals Stabilize physical condition Convert patient into participant Restore nutritional status Gradual weight gain Psychotherapy Individual Group Family Bulimia Nervosa Diagnostic criteria Recurrent binge eating Recurrent purging, excessive exercise, or fasting Excessive concern about weight and shape Absence of anorexia nervosa Causes Bulimia Nervosa Binge: large amount of food, short period of time High-calorie, high-fat foods Purge Affects fluid and electrolyte balance Can be life threatening Bulimia Nervosa Treatment Medical Nutritional Psychotherapy Antidepressant medications Binge-Eating Disorder Diagnostic criteria Recurrent binge eating Distress over eating behaviors No recurrent purging Absence of anorexia nervosa Triggers of binge eating Stress Conflict Frequent dieting Binge-Eating Disorder Treatment Psychotherapy Antidepressant medications Long-term support Body Dysmorphic Disorder Preoccupied with an imagined or slight defect in appearance Often coexists with Obsessive-compulsive disorder Major depression Delusions Social phobia Night-Eating Syndrome Habitual pattern of interrupting sleep to eat Indications Eats more . | Spotlight on Eating Disorders Eating Disorders Eating disorders ≠ disordered eating Eating disorder: Serious illness affecting daily activities Disordered eating: Usually temporary or mild change in eating patterns The Eating Disorders Continuum DSM-5 assigns eating disorders to categories across a continuum Self-starvation at one end Binge-eating disorder on the other No Simple Causes Predisposition Social factors Expectations for body size and shape Psychological factors Peer relationships Family expectations Emotional trauma No Simple Causes Biological factors Neurotransmitter levels Genetic factors Synthesis and release of leptin and orexin Anorexia Nervosa Diagnostic criteria Body weight < 85% of expected (BMI ≥ 17.5 kg/m2) Intense fear of weight gain Distorted body image Amenorrhea Causes Warning signs Anorexia Nervosa Treatment Goals Stabilize physical condition Convert patient into participant Restore nutritional status Gradual weight gain Psychotherapy Individual Group .