Eating%20Obesity%20and%20Eating%20Disorders - PowerPoint PPT Presentation

About This Presentation
Title:

Eating%20Obesity%20and%20Eating%20Disorders

Description:

30% of 'ideal' body weight for females. Body Mass Index ... Causes of Obesity. Hypothyroidism. Cushing's Syndrome. Medications (antipsychotics,antidepressants) ... – PowerPoint PPT presentation

Number of Views:139
Avg rating:3.0/5.0
Slides: 24
Provided by: psyc46
Learn more at: http://people.uncw.edu
Category:

less

Transcript and Presenter's Notes

Title: Eating%20Obesity%20and%20Eating%20Disorders


1
Eating Obesity and Eating Disorders
  • Chapter 15

2
The Issues
  • We have to eat
  • Some eat too much given their energy expenditure
  • Some dont eat enough
  • Some use food for coping

3
Eating
  • The primary function of eating is to obtain and
    to store energy
  • Food contains carbohydrates, fat, protein,
    minerals
  • Digestion breaks down ingested nutrients and
    stores as energy
  • Glycogen (short-term)
  • Triglyceride (long-term)

4
Prevalence of Obesity
5
Measuring Obesity
  • gt20 of ideal body weight for males
  • gt30 of ideal body weight for females
  • Body Mass Index
  • Weight/(Height)2
  • BMI gt30 obesity

6
Diagnosis Causes of Obesity
  • Hypothyroidism
  • Cushing's Syndrome
  • Medications (antipsychotics,antidepressants)
  • Other Rare causes Prada-Willi syndrome
    (1/20,000)
  • Non-pathological - 99

7
Obesity Trends Among U.S. Adults (BMI gt 30.0)
BRFSS, 1991, 1995, and 2000
8
Health Risks of Excessive Fat
  • Impaired cardiac function
  • Hypertension, stroke, and deep vein thrombosis
  • Increased insulin resistance in children and
    adults and type 2 diabetes (80 of these patients
    are overweight)
  • Renal disease
  • Sleep apnea
  • Osteoarthritis, degenerative joint disease, gout
  • Endometrial, prostrate. breast, colon cancers
  • Abnormal plasma lipid and lipoprotein levels
  • Menstrual irregularities
  • Gallbladder disease

9
Not to Mention
  • Enormous psychological burden and social
    stigmatization and discrimination

10
Pathways to Obesity
  • Fat intake (cafeteria diet)
  • Inactivity (10 get regular exercise)
  • Metabolic issues
  • Overeating
  • Thrifty genome
  • Alcohol intake
  • Combinations of above

11
The Development of Obesity
  • The Setpoint Model - Physiolgical
  • The Positive Incentive Model Behavioral
  • Personal pleasure
  • Social context
  • Biological factors
  • Food availability and type

12
Dieting
  • Food Restriction
  • Behavior Modification
  • Exercise
  • Drastic Measures Surgery, drugs

13
Eating Disorders
  • Approximately 7 million females and 1 million
    males in the U.S. have some type of eating
    disorder.
  • Eating disorders affect adults and children of
    both sexes.
  • They affect a person's physical and mental
    health, relationships, and quality of life.

14
Causes
  • Socialization
  • Psychological
  • Perfectionism
  • Negative Affectivity
  • Emotion Dysregulation
  • Genetic
  • Runs in families
  • Bulimia related to alcoholism?

15
Anorexia Nervosa Symptoms
  • Obsessive preoccupation with food and body size.
  • Self-imposed starvation despite significant
    weight loss.
  • Intense fear of becoming fat.
  • Excessive exercise.
  • Distorted body image.
  • Menstrual irregularities in females.

16
Anorexia Nervosa Facts
  • Between 5-20 of individuals struggling with
    anorexia nervosa will die. The probabilities of
    death increases within that range depending on
    the length of the condition (Zerbe, 1995).
  • Anorexia nervosa has one of the highest death
    rates of any mental health condition.
  • Anorexia nervosa typically appears in early to
    mid-adolescence.

17
Anorexia Nervosa Medical Complications
  • Abnormally slow heart rate and low blood
    pressure.
  • Reduction of bone density (osteoporosis)
  • Muscle loss and weakness.
  • Severe dehydration
  • Fainting, fatigue, and overall weakness.
  • Dry hair and skin, hair loss
  • Growth of a downy layer of hair called lanugo all
    over the body

18
Bulimia Nervosa Symptoms
  • Eating large quantities of food in short periods
    of time, often secretly, without regard to
    feelings of hunger or fullness, and to the
    point of feeling out of control while eating.
  • Following these binges with some form of
    purging or compensatory behavior self-induced
    vomiting, laxative or diuretic abuse, fasting,
    and/or excessive exercise.
  • Extreme concern with body weight and shape.

19
Bulimia Nervosa Facts
  • Bulimia nervosa affects 1-3 of middle and high
    school girls and 1-4 of college age women.
  • Approximately 80 of bulimia nervosa patients are
    female (Gidwani, 1997).
  • People struggling with bulimia nervosa often
    appear to be of average body weight.

20
Bulimia Nervosa Facts
  • People struggling with bulimia nervosa often
    develop complex schedules or rituals to provide
    opportunities for binge-and-purge sessions.
  • Many people struggling with bulimia nervosa
    recognize that their behaviors are unusual and
    perhaps dangerous to their health.

21
Bulimia Nervosa Medical Complications
  • Electrolyte imbalances
  • Potential for gastric rupture during periods of
    bingeing.
  • Inflammation and possible rupture of the
    esophagus from frequent vomiting.
  • Tooth decay and staining from stomach acids
  • Chronic irregular bowel movements and
    constipation as a result of laxative abuse.
  • Peptic ulcers and pancreatitis

22
The Treatment of Eating Disorders
  • Psychosocial Treatments
  • Bulimia Nervosa
  • Education About Eating Behavior
  • Scheduled Eating
  • Alter Thinking About Shape, Eating, and Weight
  • Treatment Works!

23
The Treatment of Eating Disorders
  • Psychosocial Treatments
  • Anorexia Nervosa
  • Must Restore Normal Weight!
  • Most Will Gain Weight (Easy)
  • Keeping the Weight On (Hard)
  • Treatment Similar to Bulimia
  • Treatment Can Work!
Write a Comment
User Comments (0)
About PowerShow.com