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Why do I have hay fever? I didn’t have it as a child

By Janet Davies, Respiratory Allergy Stream Co-chair, National Allergy Centre of Excellence; Professor and Head, Allergy Research Group, Queensland University of Technology
Joy Lee, Respiratory Allergy Stream member, National Allergy Centre of Excellence; Associate Professor, School of Translational Medicine, Monash University

No, you’re not imagining it. Some people really do develop hay fever as an adult. Here are three key reasons why.

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