Shoddy Science

This is a great read on why nutrition studies seem like such a constant mess of contradiction.

http://fivethirtyeight.com/features/you-cant-trust-what-you-read-about-nutrition/

Honestly, I just don't think you can go wrong by doing a Whole30 to really understand how your body is reacting to your intake, then slowly reintroduce foods one at a time, to create an eating plan that works for YOU to operate your best. Be your own science experiment.