Blood Test Could Help Predict Nut Allergies, University of Helsinki Study

New research on the ability of particular peanut proteins to trigger IgE reactions in blood samples may reduce the need for potentially dangerous oral challenges.

Blood tests designed to detect allergies have been around for decades, but those that are most commonly used today are prone to significant numbers of false positives and false negatives. Skin-prick tests are also error prone and slightly dangerous as well.

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