Here is a concise discussion on the merits of a plant-based diet. As I said before, if a whole foods plant based diet has all of these other benefits, it just may improve PN symptoms as well, or help prevent a decline, both of which is seems to have done for me. I could do better--snacks like chocolate are a big weakness of mine.

Dr. Michael Greger on plant based diets:
http://nutritionfacts.org/topics/plant-based-diets/