Eating Disorders “It’s not just about food and weight.”
What is an eating disorder? • An extreme, harmful eating behavior that can cause serious illness or even death. (pg. 153)
Causes of Eating Disorders • The exact cause of eating disorders is unknown. Possible causes may be brought on by mental or emotional factors such as: • 1. Poor body image • 2. Social and family pressures • 3. Perfectionism • 4. Some scientists think that the cause may be partly genetic. • Teens with a family history of weight problems, depression, or substance abuse may be more at risk.
Types of Eating Disorders • Anorexia Nervosa • Bulimia
Anorexia Nervosa • Is a disorder in which the irrational fear of becoming obese results in severe weight loss from self-imposed starvation (pg.154) • It is a psychological disorder with emotional and physical consequences.
Characteristics associated with the development of Anorexia Nervosa • Outside Pressures • High expectations • Need to be accepted • Need to achieve • Medical specialists have found that genetics and biological factors may play a role in the development of this disorder.
Symptoms of Anorexia • Extremely low caloric intake • Obsession with exercising • Emotional problems • Unnatural interest in food • Distorted body image • Denial of an eating problem
Health Consequences of Anorexia Nervosa (pg.154) • Drastic cause of body fat may cause females to stop menstruating • Loss of bone density • Low body temperature • Low blood pressure • Slowed metabolism • May develop an irregular heart beat that can lead to cardiac arrest.
Treatment • May include a stay at a clinic or hospital where the person can receive nutrients to regain weight and strength. • They require psychological treatment to address the problems that lead to the disorder.
Bulimia • Is a disorder in which some form of purging or clearing of the digestive tract follows cycles of overeating. • A person with bulimia often fasts or follows a strict diet and then binges, or quickly consumes a large amounts of food. After eating the person may vomit or take laxatives to purge the food from the body.
Other systems include: • Distorted body image • An unusual interest in food • Repeated binging • Purging • Fasting
health consequences of Bulimia • Frequent vomiting and diarrhea can lead to dehydration, kidney damage, and irregular heart beat. • Vomiting also destroys tooth enamel; causes tooth decay and damages the tissues of the stomach, esophagus and mouth. • Frequent use of laxative s disrupts digestion and absorption and may lead to nutrient deficiencies. • TREATENT includes both medication and psychological counseling.
Statistics • About 90% of those with eating disorders are female. (pg.153) • It’s estimated that about 1% of females ages 16-18 have this illness (pg 153). • Anorexia nervosa and bulimia nervosa affect as many as 3% of adolescent and young adult females, and the incidence of anorexia nervosa appears to have increased in recent decades (http://www.cdc.gov/mmwr/preview/mmwrhtml/00042446.htm)