The PDF I linked above shows that taking Naloxone, opiod antagonist, reduces the desire for junk food, meaning it's a literal addiction; trying to just quit cold turkey is just like opiod withdrawal that causes even more stress and binge eating.
Exercise helps, but again don't overdo it because you'll be causing more stress. Tai Chi (slow-motion kung fu) has been found to really help, take a look here:
https://www.ncbi.nlm.nih.gov/pubmed/18927159
In some patients after 12 weeks of Tai Chi the metabolic syndrome, the dreaded pot belly that occurs because there are abundant cortisol receptors in the abdomen, shrinks or disappears completely.
Exercise helps, but again don't overdo it because you'll be causing more stress. Tai Chi (slow-motion kung fu) has been found to really help, take a look here: https://www.ncbi.nlm.nih.gov/pubmed/18927159
In some patients after 12 weeks of Tai Chi the metabolic syndrome, the dreaded pot belly that occurs because there are abundant cortisol receptors in the abdomen, shrinks or disappears completely.