Dr. Greger MD’s video series on Diabetes (he has a number of others besides these):
http://youtu.be/Nujyif7MkMA What Causes Diabetes?
http://youtu.be/t-f9Q_-tT68 Disease of Fat Toxicity
http://youtu.be/VAweyqtb7D8 Lipotoxicity: How Saturated Fat Raises Blood Sugar
https://www.youtube.com/watch?v=uptETdDvDzQ Keto diet and impact on Diabetes
Dr. Michael Klapper, MD on curing Diabetes
http://youtu.be/VhFvuUSxLs8 on a Low-Fat diet
The following video excerpts of Dr. Caldwell Esselstyn, MD
http://youtu.be/b_o4YBQPKtQ talking about “No Oil:”
http://youtu.be/aPpcBMwLg2Q Bill Clinton has to say about his transformation recommended by Dr. Esselstyn
How to Get Diabetes in 6 Hours I Mind-Blowing Truth Of"Healthy" Oil - Dr. Nick Delgado
With all these MDs saying basically the same thing and Dr. McDougall, MD demonstrating it in his 2 week live in program, the rootcause is pretty obvious.