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Anorexia Nervosa

What is Anorexia?

Anorexia nervosa is a serious, potentially life-threatening eating disorder characterized by self-starvation and excessive weight loss.



There are two behavioural forms of anorexia - restricting type and binge/purging type.

  • Restricting type describes individuals who have lost or controlled their weight through limiting caloric intake (possibly also engaging in excessive exercise). 
  • ​Binge/purging type describes individuals who also may limit their food intake, as well as engaging in binge eating and/or purging (self-induced vomiting, use of diuretics/laxatives or excessive exercise) to reduce or control their weight. 

**Anorexia has the highest mortality rate of all psychiatric illnesses. 



What are the signs/symptoms?

  • ​Resistance to maintain healthy bodyweight at or above the minimum weight for his/her height
  • Intense fear of gaining weight/becoming "fat" 
  • Preoccupation with calories/fat content of food, visible food restriction/self-starvation
  • Dramatic weight loss
  • Refusal to eat certain foods, progressing to restrictions against whole categories of foods (i.e. no carbs)
  • Eating strange combinations of foods and/or condiments (also known as "food concocting").
  • Consistant excuses to avoid mealtimes and/or eating in front of others (i.e. my stomach hurts, already ate)
  • Inaccurate perception of bodyweight, shape or size.
  • Isolation and withdrawal from friends and previously enjoyed activities
  • Development of food rituals (i.e. eating foods in certain orders, rearranging food on a plate, cutting into tiny pieces)
  • Preoccupation with reading recipe books/magazines, cooking for others (not partaking themselves), and/or looking at pictures of food.
  • ​Development of insomnia/poor sleep patterns. 
  • Growth of lanugo (a fine layer of downy hair all over the body, in an attempt to insulate itself after excessive fat loss).
  • Constantly feeling cold.

Physical Dangers/Health Consequences

The physical consequences of self-starvation can be very damaging, as it causes the body to slow down all of its' processes to conserve energy. This can result in several debilitating symptoms:



  • Amenorrhea (loss of menstrual periods in females) 
  • Dry skin and hair, as well as thinning and loss of hair.
  • Fainting, fatigue and overall weakness.
  • Severe dehydration (this can result in kidney failure).
  • Osteoporosis (dry, brittle bones).
  • Abnormally low heart rate and blood pressure (indicating deterioration of the heart muscle). This increases the risk of heart failure.
  • Infertility.
  • Multiorgan failure.
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