Blood test predicts severity of peanut and seafood allergies
(NEW YORK -- April 01, 2015) A new blood test promises to predict which people will have severe allergic reactions to foods according to a new study led by Mount Sinai researchers and published online today in the The Annals of Allergy, Asthma & Immunology.
To detect food allergies, physicians typically use skin prick tests or blood tests that measure levels of allergen-specific IgE (sIgE), a protein made by the immune system. However, these tests cannot predict the severity of allergic reactions. Oral food challenges, in which specific allergens are given to patients ...

