There are many articles on the internet - with varying levels of credibility. A quick Google for such things as chemical food addiction should yield many of thi

There are many articles on the internet - with varying levels of credibility. A quick Google for such things as chemical food addiction should yield many of this type of thing: http://www.alternet.org/5-unhealthy-foods-engineered-be-addictive http://www.alternet.org/5-unhealthy-foods-engineered-be-addi... Obviously you will be able to discern which are credible and which are not. That was sarcasm/cynicism, because it's really hard to discern what is credible, to what degree and what the motive of the author was. There is much propaganda on both sides of the fence, so at this point, it's pretty tough, beyond a religious debate to have any objective discussion.