Are tree nut allergies diagnosed too often?

(American College of Allergy, Asthma, and Immunology) A new study in Annals of Allergy, Asthma and Immunology shows about 50 percent of those who thought they were allergic to all tree nuts were able to pass an oral food challenge without a reaction.
Source: EurekAlert! - Medicine and Health - Category: Global & Universal Source Type: news