Just as with exercise and training your body out of bad habits to a good workout program, you have to train your body off of junk food. Some can go cold turkey but for most, myself included, you have to take it as a process. Adding more protein to your diet can do wonders to cut the cravings for fast food. However, taking up a hobbie can occupy time spent when you may be snacking. It takes time and effort but will be worthwhile!
Check out the video from BESTIE HERE for more ideas!