Not necessarily! This month, we presented findings from our sibling study at the American College of Allergy, Asthma and Immunology Annual Scientific Meeting. Our research demonstrated that while 53% of siblings had a sensitivity to some allergens, only 13% had a true allergy.
Testing for food allergies if a reaction hasn't taken place can lead to false-positives. Results from this study indicated that screening siblings for allergies should be limited.
You can read more about the presentation here: