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ch 10 notes - CH 10 EATING DISORDERS Eating disorders...

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CH 10: EATING DISORDERS Eating disorders – severe disturbances in eating behavior that result from the sufferer’s obsessive fear of gaining weight 2 Types: anorexia nervosa – refusal to maintain a minimally normal body weight starving binge & purge bulemia nervosa binge & purge non purge (excessive exercise) binge eating disorder eat to feel comfortable – no purging Symptoms of Anorexia Nervosa Refusal to maintain a normal weight 85% of normal body weight avg person loses 25-30% of norman body weight high morbidity risk 10% are estimated to die of starvation, suicide, or medical complications from extreme weight loss Disturbance in evaluating weight or shape Deny problems
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Disturbance in way body is experienced Distorted body image – inaccurate perception of body size/shape Fear of gaining weight Not soothed by tremendous weight loss Cessation of menstruation Amenorrhea – absence of 3 consecutive menstrual cycles – it is a reaction to the loss of body fat and associated physiological changes Problems associated with anorexia nervosa Medical complications Constipation, abdominal pain, intolerance to cold Dermatological problems Anemia, impaired kidney functioning, cardiovascular difficulties, dental erosion, bone loss Electrolyte imbalance Struggle for control Comorbid psychological disorders May play role in development of anorexia nervosa or may be reactions to starvations OCPD can contribute to anorexia, but OC behavior can be a reaction to starvation Mild depression – sad, irritable, insomnia, social withdrawal Bulimia nervosa symptoms
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CH 10: EATING DISORDERS Symptoms of bulimia nervosa Binge eating – eating an amount of food that is clearly larger than most people would eat under similar circumstances in a fixed period of time (<2 hours) Planned or spontaneous (always secret) Lack of control Triggered by an unhappy mood Inappropriate compensatory behavior Purging - eliminate consumed food from the body Most common form is vomiting (90%) Laxatives Effectiveness in ridding body of calories Alternatives to purging Extreme exercise, fasting after the binge Excessive emphasis on weight and shape Self-esteem and daily routine center around weight and diet Problems associated with bulimia nervosa Medical complications Repeated vomiting can erode dental enamel Gag reflex consequence is rumination – regurgitating/rechew food Electrolyte imbalance Reuptures of esophagus or stomach
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