IGe tests aren't very accurate, apparently. But I wonder if the presence of "benign" antibodies is really so benign. Maybe it means that the gut permeability is too high. Either way, I probably wouldn't feed my children peanut butter. I love love love peanut butter and it's one of the non-paleo foods I truly miss, but peanut production is rife with mold problems from farm to fork and peanut butter is very high probably rancid PUFAS.