Pollen allergies occur when your immune system mistakenly identifies pollen as a dangerous substance. It's unclear what causes any type of allergy, including a pollen allergy. Experts believe that genetics may play a role.
Pollen allergies occur when your immune system mistakenly identifies pollen as a dangerous substance. It's unclear what causes any type of allergy, including a pollen allergy. Experts believe that genetics may play a role.
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Pollen allergies occur when your immune system mistakenly identifies pollen as a dangerous substance. It's unclear what causes any type of allergy, including a pollen allergy. Experts believe that genetics may play a role.
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Answer:
Pollen allergies occur when your immune system mistakenly identifies pollen as a dangerous substance. It's unclear what causes any type of allergy, including a pollen allergy. Experts believe that genetics may play a role.
Explanation: