Possibly if it's too much, but a study on giving young children an Israeli peanut product appeared to reduce the chances of them becoming allergic to peanuts. I

Possibly if it's too much, but a study on giving young children an Israeli peanut product appeared to reduce the chances of them becoming allergic to peanuts. It's probably dose and exposure route sensitive, as well as "luck" through various environmental and genetic factors, including MHC.