Anorexia Nervosa

Extreme weight loss

hallmark of anorexia

Restricting

Diet to limit calorie intake

Binge-eating-purging

Purge to limit calorie intake

What are the anorexia subtypes?

* restricting
* binge-eating-purging

Majority of those with anorexia are

female and white

Majority of those with anorexia are from

middle to upper-middle class families

Usually develops around

early adolescence

More chronic and resistant than

bulimia

Lifetime prevalence approximately

1%

Develop in non-Western women after

moving to Western countries

Most deadly mental disorder due to

organ damage

Most show marked

disturbance in body image

Most have comorbid

psychological disorders

70% are

depressed at some point

Higher than average rates of

substance abuse and OCD

Starving body borrows energy from

internal organs

Borrowing energy from internal organs leads to

organ damage including cardiac damage (can cause heart attack)

Diagnostic Criteria: Restriction of

energy intake relative to requirements, leading to significantly low body weight

Diagnostic Criteria: Intense fear of

gaining weight or becoming fat

Diagnostic Criteria: Disturbance in the way in which

one’s body weight or shape is experienced

Overview: Restriction of

calorie intake below energy requirements (Sometimes defined as 15% below expected weight)

Overview: Intense fear of

weight gain

Often begins with

dieting

Medical consequences:

* Amenorrhea (loss of periods in women)
* Dry skin
* Brittle hair and nails
* Sensitivity to cold temps
* Lanugo
* Cardiovascular problems
* Electrolyte imbalance