ZOE Science & Nutrition Why one in ten children have a food allergy | Dr. Gideon Lack
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Aug 15, 2024 
Dr. Gideon Lack, a leading Professor of Paediatric Allergy at King’s College London, discusses the alarming rise in food allergies among children. He dismantles myths about food allergies, emphasizing that early exposure is crucial for prevention. Dr. Lack shares revolutionary guidelines that can drastically lower allergy risks and improve treatment outcomes. He also highlights the importance of the gut microbiome in immunity and offers practical advice for parents on introducing allergenic foods to their children.
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The Oral Phase and Immunity
- The "oral phase" in babies, where they put everything in their mouths, might be crucial for immune system development.
- This phase helps the immune system distinguish between safe substances and harmful ones.
Allergic Reaction Mechanisms
- In allergic reactions, IgE antibodies trigger histamine release, leading to symptoms like swelling and breathing difficulties.
- While throat swelling can occur, the primary life-threatening risk in children is asthma-like airway spasms.
Dramatic Increase in Peanut Allergy
- Peanut allergy, previously rare, now affects 2% of UK schoolchildren, highlighting a dramatic increase in food allergies.
- This rise is likely environmental or behavioral, not genetic, given the rapid change.