One of them is that identical twins are prone to share same trait of anorexia and bulimia than fraternal twins. Because, they are more genetically similar than fraternal twins, and this confirmed the belief that eating disorders have an inherited component.
More also, Scientists found that certain chemicals in the brain that control hunger, appetite, and digestion are all unbalanced in those with eating disorders.
Some environmental conditions are responsible for eating disorders like anorexia, bulimia or compulsive overeating.
In the society that reinforce the urge for discriminating the fat ones and places value on thinness, where people are being praised for their physical appearance. Self monitoring and pressure to conform become problem of the fat ones. More of the sociological factors include relationship problems, physical or sexual abuse. From this ordeal, the behaviors are nurtured as the strive begins, which will result to the consequences earlier explained.
Read also: Warning Signs of Bulimia Nervosa
American Psychiatric Association – Eating Disorder.
WebMD – Eating Disorders Health Centers.
American Psychological Association – Eating Disorder.
Australian Psychological Society – Understanding and Managing Eating Disorders.