Compulsive eating disorder is not necessarily a case of depression, but on a lighter side can be associated with a inferior complexity. CBT helps to identify where the real problem lies. Food is considered to give emotional comfort and this results in overeating and as a result of this, the weight-gain starts which accounts to further loss of self-esteem. Now, to escape this feeling, one starts to find a comfort zone and eating is one of them. So, its a viscious circle and how to break out of this, is where the solution lies.