I'm just pointing out that none of these topics can be or were addressed head on by the author. He instead chose to infer by generalization that food is food, with no supporting documentation just a tactically written "scientific" opinion piece.

For evidence look into the work of Jeffrey Smith. Here's just a 2min clip of some of what you seek, http://www.youtube.com/watch?v=TvopGRiPHdE. Also check out Joel Salatin. Best of luck on your journey.