Oh come on, that is an n=1 study that doesn't count....LOL...kidding in many ways it is the only one that matters.
I never had the allergies but I agree my energy levels went through the roof, down to under 13% BF at 183 lbs and that was after eating fairly clean (my grain consumption was maybe 2-3 servings a day pre-primal. There is no question Primal is the way to go.
Live your life and love your life. It's the only one you get.