As the mother of a child with food allergies who has heard a lot of interesting comments from people - oh, please, let me be right here, otherwise, mama-bear would have come out on this guy - maybe he meant give them allergy shots? There is a school of thought (not highly supported by the medical field, I should add) that you can give allergy shots for food allergies, and that will help the person with allergies build up an immunity to the allergen. They do this with other types of allergens - my brother had them for his bee allergy, so some people believe that if it works for one, it will work for the other.