Question

what is an allergy? what are the most common types of allergies? ​

Answer 1

Pollen is one of the most common triggers of seasonal allergies. Many people know pollen allergy as “hay fever,” but experts usually refer to it as “seasonal allergic rhinitis.”

Answer 2

Answer:

Allergy is an exaggerated reaction of immune system of a person to certain foreign substances that do not bother most other people.

The common types of allergy are :

• Seasonal allergy .
• Perennial allergy.

Explanation:

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