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HUN!201 LECTURE NOTESCHAPTER 13.5: In Depth: Disordered EatingDisordered Eating• Describe a variety of atypical eating behaviors that people use to achieve or maintain a lower body weight • Eating behaviors occur on a continuumEating Disorders• Psychiatric conditions involving extreme body dissatisfaction and long-term eating patterns that negatively affect body functioning • Anorexia nervosa: • self-starvation leading to a severe nutrient deficiency• Bulimia nervosa: • recurrent episodes of extreme overeating and compensatory behaviors to prevent weight gainContributing Factors• Many factors contribute to disordered: eating behaviors• Family • Media • Social and cultural values• Personality • Genetic factorsAnorexia Nervosa• Potential deadly eating disorder• 90−95% are young girls or women• 5−20% of females with anorexia will die from complications within 10years of diagnosis• Health risks:• Energy and nutrient deficiency• Electrolyte imbalance• Cardiovascular problems• Gastrointestinal problems• Bone problems• Early intensive treatment is the best chance for recoveryBulimia Nervosa• Characterized by repeated binge eating followed by purging• Binge eating• feels a loss of self-control, a sense of euphoria, “a drug-induced high”• Binge• large quantity of food eaten in a short period of time• Affects more women than men• Affects 1−4% of women• 1% of bulimia patients will die from complications within 10 years of diagnosis• Purging• Occurs after most binge episodes (weight gain can be significant) by vomiting, laxatives, diuretics, fasting, excessive exercise• Symptoms:• Recurrent episodes of binge eating and inappropriate compensatory behavior to prevent weight gain• Occurs on average at least twice a week for 3 months• Body shape and weight unduly influence self-evaluation• Signs:• Chronically inflamed and sore throat• Swollen glands in the neck and below the jaw• Health risks:• Electrolyte imbalance• Dehydration, loss of sodium and potassium ions from vomiting (irregular heartbeat)• Gastrointestinal problems• Dental problemsBinge Eating• After stressful events• > 2x weekly, not followed by purging• 2−3% of adults, 8% of obese population• Common in men• Food triggers: • Foods high in fat and sugar can increase blood lipids• Psychological consequences:• Low self-esteem, avoidance of social contact, depression, and negativethoughts Night-Eating Syndrome• People who were not hungry during the day, but eat in the evening and night• Depressed mood and insomnia• Combination of eating disorder, sleep disorder, and mood disorder Female Athlete Triad• Serious syndrome in some active females: • Low energy availability (with or without eating disorders)• Amenorrhea• Osteoporosis • Early warning signs:• excessive dieting and/or weight loss, excessive exercise, stress fractures, and self-esteem dictated by body weight/shapeTreatment for Disordered Eating• Successful treatment requires a multidisciplinary approach, including:• Patient• Physician• Psychologist• Nutritionist• Person’s coach (if an athlete) • Family members and friends Nutritional Therapy• Goals:• To restore to healthy body weight and resolve nutrition-related eatingissues • Body image issues (regaining weight)• Acceptability of certain foods• Food situations (gatherings, eating out)• Healthful food plan for weight maintenance • Addressing negative feelings, trigger


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FSU HUN 1201 - Disordered Eating

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