How are serotonin and dopamine-related to eating disorders?

Eating carbohydrates allows serotonin to restore your good mood and increase your emotional energy. researchers in London found that anorexics have an overproduction of serotonin

Dopamine is a feel-good chemical associated with feelings of happiness and reward. However, meals higher in fat and sugar tend to trigger larger releases of the hormone.If the brain observes that the amount of dopamine is too high, it begins removing dopamine receptors to keep things balanced. When there are fewer receptors, more dopamine is needed to reach the same effect, which causes people to start eating more junk food to reach the same level of reward as before