This is nothing we don't already know, those of us who kick around the paleo and primal world a lot. :P But this article was a good solid read all the same, and one I wish people I know would read.
[URL="http://www.nytimes.com/2013/02/24/magazine/the-extraordinary-science-of-junk-food.html"]The Extraordinary Science of Junk Food - NYTimes[/URL]
