Suntan12 -I can tell you that most people overeat because of anxiety, stress, depression, or entertainment.
I know that many psychologists would narrow down the reason pretty quickly by using their clinical assessment workbook to outline how to proceed.
I imagine that food addictions are a little harder to treat because food is something that we all have to deal with because everyone has to eat, but not everyone has to drink, smoke or do drugs.
People always have to learn how to deal with food and if this is the problem the psychologist will recommend an alternative activity in place of eating.
Sometimes they will ask the patient to record their feelings throughout the day and include what they ate to determine what the problem is. Journaling is a widely used tool for assessing patient’s state of mind.