The most common element surrounding ALL Eating Disorders is the inherent presence of a low self esteem. But there are three main categories related to eatings disorders:
    ~Psychological: - Low self-esteem
                              -The feeling of lack of control in life
                              -Anxiety, anger, depression, or loneliness
    ~Social: - Many people have the value to obtain the "perfect body"
                  Sometimes beauty is defined by the shape and weight of 
                  a persons body.
                  -Physical appearance and wanting to impress people is 
                   on everyone's mind
    ~Genetic: -Scientist know that an eating disorder does often run in 
                  families, but haven't found out if it is some kind of 
                  imbalance in the brain.