Weight Maven is not living up to her name again. http://weightmaven.org/2013/08/12/paleo-is-not-a-panacea-6/
Food addiction and eating disorders are different critters.
Food addiction is hyper-reaction to something in the food or causes something to be released or absorbed that causes a abnormal reaction. It is chemical. It often involves dopamine, serotonin, endorphins, an opioid peptide or some hormone. The chemicals must be removed from the diet.
In behavioral addictions those same list of chemicals are stimulated due to some behavior, we like it and an addiction forms. It can be food related, eating, or other behavior, gambling or sex are common. One is exterior chemical, one is internal generated chemical. The behavior must be removed, and replaced. This is a impulse drive, immediate gratification problem, impulsive not compulsive.
Externals are easier to handle- remove the chemical, aka sugar, sugar substitute, wheat, dairy products, protein, food additives, flavor enhancers, etc.
But now there is a separate class of people, those who become obsessed with a new behavior, dieting, weighting, measuring, computing in and out, CICO, calorie or gram counters, which is uselessly sloppy. These are compulsives, that need separate handling.
There are another group that have some biological or physiological unknow caused craving. This group suffers long, and has only limited relief from the cravings.
Until we separate the cause, and fix the cause, the cycle continues.