I would warn you though that it advocates a plant based diet, so there would be no eggs, dairy, very little meat, fish, fat salt or oil. For most adults, it is difficult to make the transition. I have, and I eat mainly steamed or sauteed veg made like this http://www.wellnessforumfoods.com/index.html
This doctor is not alone in his recommendation, there are many others that are speaking out like him.
If you want more information I'll give you a few links, just ask.