Tessa Davis. Does consuming peanuts in infancy reduce the likelihood of allergy?, Don't Forget the Bubbles, 2015. Available at:
In a previous study, the authors of this paper found that Jewish children in the UK had 10 times the rate of peanut allergy as Jewish children in Israel. This also correlated with the earlier introduction of peanuts in Israel due to a tasty snack called Bamba.