30 Day Historic Pollen Levels

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Causes of Allergy

An allergy is a disorder of the immune system that causes symptoms, such as sneezing, itchy and watery eyes, and a runny nose. Allergens are the stimuli that cause these allergy-related symptoms.

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Wildfire Smoke Alters Immune System, Study Says

TUESDAY, July 1, 2025 (HealthDay News) —Exposure to wildfire smoke might make some people more likely to fall ill by altering their immune systems, a new study says.

Fire smoke appears to affect the immune system on a cellular level, researchers report in the journal Nature Medicine.

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