from medical news today: Approximately 8% of US children have some kind of food allergy, researchers from Northwestern University Feinberg School of Medicine reported in the journal Pediatrics. 38.7% of those with a food allergy have a history of severe reactions, while 30.4% are allergic to several foods, the authors added. Symptoms in a severe reaction may include wheezing and anaphylaxis, when the patient finds it hard to breath and has an abrupt drop in blood pressure. The most common allergens for children were found to be peanuts, milk and shellfish. Previous studies had estimated that 4% of US kids have some kind of food allergy.