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TOPIC 8 EATING DISORDERS

TOPIC 8 EATING DISORDERS. Eating Disorders. Eating disorders - are characterized by disturbed patterns of eating and maladaptive ways of controlling body weight. Eating Disorders. Anorexia nervosa

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TOPIC 8 EATING DISORDERS

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  1. TOPIC 8 EATING DISORDERS

  2. Eating Disorders Eating disorders - are characterized by disturbed patterns of eating and maladaptive ways of controlling body weight.

  3. Eating Disorders Anorexia nervosa - An eating disorder characterized by maintenance of an abnormally low body weight, a distorted body image, intense fears of gaining weight and in females, amenorrhea.

  4. Eating Disorders Diagnostic Features of Anorexia Nervosa • Refusal to maintain weight at or above the minimal normal weight for one’s age and height; for example, a weight more than 15% below normal • Strong fear of putting on weight or becoming fat despite being thin • A distorted body image in which one’s body – or part of one’s body – is perceived as fat, although others perceive the person as thin • In case of females who have had menarche, absence of three or more consecutive menstrual periods.

  5. Eating Disorders Subtypes of Anorexia • A binge eating/purging type • Is characterized by frequent episodes of binge eating and purging • A restrictive type • self-starvation

  6. Eating Disorders Bulimia Nervosa - An eating disorder characterized by recurrent binge eating followed by self induced purging, accompanied by overconcern with body weight and shape.

  7. Eating Disorders Diagnostic Features of Bulimia Nervosa • Recurrent episodes of binge eating (gorging) as shown by both: a) eating an unusually high quantity of food during a 2-hour period b) sense of loss control over food intake during the episode 2. Regular inappropriate behavior to prevent weight gain, such as self-induced vomiting, abuse of laxatives, diuretics or enemas; or fasting or excessive exercise 3. A minimum average of two episodes a week of binge eating and inappropriate compensatory behavior to prevent weight gain over a period of at least 3 months 4. Persistent overconcern with the shape and weight of one’s body

  8. Eating Disorders Causes of Anorexia and Bulimia • Biological factors • Genetics • Set points • Serotonin • Sociocultural factors • Peer and Media Influences • Family Influences • Individual Risk Factors

  9. Eating Disorders Treatment of eating disorders • Hospitalization • Family therapy • Cognitive-behavior therapy • Interpersonal psychotherapy • Antidepressant drugs (prozac)

  10. OBESITY • Is defined on the basis of the body mass index, having a BMI of 30 or more is considered obese

  11. RISK AND CAUSAL FACTORS IN OBESITY • The role genes • Hormones involved in appetite and weight regulation • Sociocultural Influences • Family Influences • Stress and Comfort Food • Pathways to Oesity

  12. TREATMENT OF OBESITY • Weight loss groups • Medications • Gastric Surgery • Psychological Treatment • The important of prevention

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