The similarity which Individuals with anorexia nervosa and bulimia nervosa may not experience is, the substance abuse.
Anorexia nervosa, bulimia nervosa, and binge eating disorder are examples of eating disorders that frequently co-occur with substance use disorders (SUD) or substance abuse.
Both SUDs and eating disorders by themselves can result in serious mental, physical, and social issues as well as a higher risk of passing away. They can be a particularly deadly combination and create treatment challenges when they co-occur.
But it is not necessary that it definitely occur in anorexia nervosa and bulimia. It may occur or may not occur
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