I think the increase in allergies is due to children not being exposed to allergens. It used to be the advice to not feed your child foods that are commonly all

I think the increase in allergies is due to children not being exposed to allergens. It used to be the advice to not feed your child foods that are commonly allergenic but now the advice is reversed. https://www.livescience.com/57383-peanut-allergy-prevention-guidelines.html https://www.livescience.com/57383-peanut-allergy-prevention-...