Question

What is allergy? and explain some symptoms of it?​

Answer 1

Answer:

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Answer 2

Answer:

If you have congestion and a runny nose, or you are sneezing and coughing, your first thought may be that you have a cold. Yet these are also signs of allergy.

ALLERGY: A damaging immune response by the body to a substance, especially a food, pollen,fur or dust to which it has become hypersensitive.

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