People who are early risers appear to be at greater risk of developing anorexia, a new study claims. 

This differs from other disorders like depression, binge eating and schizophrenia 

anorexia — is an eating disorder characterized by an abnormally low body weight, an intense fear of gaining weight and a distorted perception of weight. 

People with anorexia place a high value on controlling their weight and shape 

Anorexia, like other eating disorders, can take over your life and can be very difficult to overcome.