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Food allergy map reveals population density is critical to risk
date:Jun 09, 2012
than double the prevalence in urban versus rural areas; 2.4% of children have shellfish allergies in urban centers compared to 0.8% for rural.
Food allergies are equally severe regardless of where a child lives, the study found.
Nearly 40% of food-allergic children in the study had already experienced a severe, life-threatening reaction to food.

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