Introduction & Theoretical Background
Anorexia (anorexia nervosa) is a condition characterized by the restriction of energy (food) intake relative to requirements, leading to significantly lower body weight than would be expected. People with anorexia have an intense fear of gaining weight or becoming fat. They often feel a disturbance in the way they perceive their physical traits, and base their self-worth closely upon their weight or appearance. Anorexia nervosa is experienced by between 1 and 4 people out of every 100 (Keski-Rahkonenen & Mustelin, 2016).
The DSM-5 diagnostic criteria for anorexia nervosa include:
- A restricted of energy intake relative to requirements, leading to a significantly low body weight relative to the individual’s age, sex, developmental trajectory, and physical health.
- An intense fear of gaining weight or becoming fat, or persistent behavior that interferes with weight gain, even at a significantly low weight.
- A disturbance in the way one’s body weight or shape is experienced, undue influence of body