Eating disorders affect females and males of any background, class, or ethnicity. Repeated addictive and harmful eating practices are categorized as an eating disorder. 

Addiction- Compulsive engagement in behaviors despite adverse consequences.

Characteristics
Anorexia-

  • Persistent restriction of energy intake leading to significantly low body weight (in context of what is minimally expected for age, sex, developmental trajectory, and physical health) .
  • Either an intense fear of gaining weight or of becoming fat, or persistent behaviour that interferes with weight gain (even though significantly low weight).
  • Disturbance in the way one's body weight or shape is experienced, undue influence of body shape and weight on self-evaluation, or persistent lack of recognition of the seriousness of the current low body weight.

Bulimia-

  • Recurrent episodes of binge eating. An episode of binge eating is characterised by both of the following:
    • Eating, in a discrete period of time (e.g. within any 2-hour period), an amount of food that is definitely larger than most people would eat during a similar period of time and under similar circumstances.
    • A sense of lack of control over eating during the episode (e.g. a feeling that one cannot stop eating or control what or how much one is eating).
  • Recurrent inappropriate compensatory behaviour in order to prevent weight gain, such as self-induced vomiting, misuse of laxatives, diuretics, or other medications, fasting, or excessive exercise.
  • The binge eating and inappropriate compensatory behaviours both occur, on average, at least once a week for three months.
  • Self-evaluation is unduly influenced by body shape and weight.
  • The disturbance does not occur exclusively during episodes of Anorexia Nervosa.

Binge Eating Disorder- 

  • Recurrent episodes of binge eating. An episode of binge eating is characterised by both of the following:
    • Eating, in a discrete period of time (e.g. within any 2-hour period), an amount of food that is definitely larger than most people would eat during a similar period of time and under similar circumstances.
    • A sense of lack of control over eating during the episode (e.g. a feeling that one cannot stop eating or control what or how much one is eating).
  • The binge eating episodes are associated with three or more of the following:
    • eating much more rapidly than normal
    • eating until feeling uncomfortably full
    • eating large amounts of food when not feeling physically hungry
    • eating alone because of feeling embarrassed by how much one is eating
    • feeling disgusted with oneself, depressed or very guilty afterward
  • Marked distress regarding binge eating is present
  • Binge eating occurs, on average, at least once a week for three months
  • Binge eating not associated with the recurrent use of inappropriate compensatory behaviours as in Bulimia Nervosa and does not occur exclusively during the course of Bulimia Nervosa, or Anorexia Nervosa methods to compensate for overeating, such as self-induced vomiting.

OSFED-

  • Other specified feeding or eating disorders.


Signs/Symptoms

Anorexia

  • Drastic weight loss in a short timeframe
  • Distorted perception of self image
  • Over exercise
  • Avoiding eating with others
  • Abuse or misuse of diet or laxative pills
  • Menstrual problems

Bulimia

  • Self inflicted purging after eating
  • Drastic weight loss in a short timeframe
  • Distorted perception of self image
  • Over exercise
  • Avoiding eating with others
  • Abuse or misuse of diet or laxative pills

Binge Eating Disorder

  • No compensatory behaviors to “make up” for the calorie intake, such as purging or over-exercise
  • Extreme weight gain followed by loss, only to have it repeated.
  • Insomnia, joint or muscle pain, and/or headaches

OSFED

  • Atypical anorexia nervosa (weight is not below normal)
  • Bulimia nervosa (with less frequent behaviors)
  • Binge eating disorder (with less frequent occurrences)
  • Purging disorder (purging without binge eating)
  • Night eating syndrome (excessive nighttime food consumption)