How nitrogen pollution affects pollen allergies
Part of Ear, nose & throat, Immune system & allergy, Lungs & breathing clinical trials.
This study looks at how pollution from nitrogen in the environment affects pollen allergies in Belgium. It may help explain why your allergy symptoms change depending on where you live.
Summary written for real people, not researchers, by Clin2.
Who can take part
- You must have a positive skin prick test result for grass or birch pollen allergy.
- You cannot have received allergy shots or other desensitization therapy in the last two years.
Quick eligibility check
Answer a few plain-language questions, based on this study's own requirements, to get a preliminary sense of fit.
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