Who Does Hay Fever Affect?

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What Is It?

Hay fever, also known as seasonal allergic rhinitis, is an allergy-related inflammation of the nasal passages, throat and eye membrane (conjunctiva), caused by sensitivity to airborne pollens and molds. These airborne pollens come from various species of trees, grasses, weeds and other plants whose pollens are carried by the wind rather than by insects. Because different types of pollen trigger symptoms in different people, each person's specific hay fever "season" is fairly...

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