A small load of parasites seems to be normal in mammals, they are unavoidable but sometimes they get out of hand, gut flora does have a lot to do with it
I did 80/10/10, my experience was at first I felt great, probably due to all the sugar, and then I began feeling crappier and crappier, perhaps due to it aggravating some type of dysbiosis. I even developed food sensitivities after I went off
Everything in moderation
I saw a functional medicine doctor who is putting me on GAPS. Been vegetarian for many years so I've gotta ease into it and learn to cook meat