Ch. 9 Eating Disorders Flashcards
Anorexia Prevalence
.9% or 9 in 1,000 women;
.3%, or 3 in 1,000 men
Anorexia Description
Self-starvation, resulting in abnormally low body weight for one’s age, gender, height, and physical health and developmental level
Anorexia Associated Features
- Strong fears of gaining weight or becoming fat
- Distorted self-image (perceiving oneself as fat despite extreme thinness)
- Two general subtypes: binge eating/purging type and restricting type
- Potentially serious, even fatal, medical complications
- Typically affects young, European American women
Bulimia Prevalence
.9% to 1.5% in women;
.1% to .5% in men
Bulimia Description
Recurrent episodes of binge eating followed by purging
Bulimia Associated Features
- Weight is usually maintained within a normal range
- Overconcern about body shape and weight
- Binge/purge episodes may result in serious medical complications
- Typically affects young European American women
Binge-Eating Disorder Prevalence
3.5% in women
2% in men
Binge-Eating Disorder Description
Recurrent binge eating without compensatory purging
Binge-Eating Disorder Associated Features
- Individuals with BED are frequently described as compulsive overeaters
- Typically affects obese women who are older than those affected by anorexia or bulimia
Emotional Factors
- Young women with bulimia often have more emotional problems and lower self-esteem than other dieters
- Anxiety and depression can trigger episodes of binge eating
- Bulimia is often part of a dual diagnosis (with depression, ocd, or substance abuse)
- Women with bulimia are more likely than other women to experience childhood sexual and physical abuse
Learning Perspectives
- Conceptualize eating disorder as a type of weight phobia
- Relief from anxiety acts as a negative reinforcement
3.
eating disorders typically begin…
during adolescence or early adulthood when pressures to be thin are the strongest
Anorexia nervosa usually develops between 12 and 18
Bulimia nervosa typically affects women in late adolescence or early adulthood
Two subtypes of anorexia nervosa
binge eating/purging type: frequent episodes (during the prior 3 month period) of binge eating or purging; tend to have difficulties related to impulse control (may involve substance abuse or stealing as well); tend to alternate between rigid control and impulsive behavior
restrictive type: no bingeing or purging episodes; tend to rigidly (obsessively) control their diet and appearance
Medical complications of Anorexia nervosa (dermatological problems, cardiovascular, gastrointestinal, menstrual, growth)
as much as 35% body weight loss may occur
anemia
Dermatological: dry cracking skin, fine hair, yellow discoloration
Cardiovascular: heart irregularities, hypotension, dizziness
Gastrointestinal: constipation, abdominal pain, obstruction or paralysis of bowels or intestines
Menstrual: amenorrhea
Growth: muscular weakness and abnormal growth of bones; loss of heigh, osteoporosis
Increase risk of death from suicide or malnutrition
medical complications of Bulimia nervosa
from vomiting, laxatives, bingeing
Vomiting: skin irritation around mouth; blockage of salivary ducts; tooth enamel decay, cavities, taste receptor
damage->less sensitive to taste of vomit->maintain purging behavior; abdominal pain,
Laxatives: bloody diarrhea; laxative dependency
Bingeing: (on salty food) convulsions, swelling
General: potassium deficiency->muscular weakness, cardiac irregularities, sudden death, amenorrhea