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How do Allergies Occur

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Allergies, also known as allergic diseases, are a number of conditions caused by hypersensitivity of the immune system to something in the environment that usually causes little problem in most people.These diseases include hay fever, food allergies, atopic dermatitis, allergic asthma, and anaphylaxis. Symptoms may include red eyes, an itchy rash, runny nose, shortness of breath, or swelling.

To fight allergies, one must understand the process of how a body gets effected by allergens. We have provided a video that demonstrates the process.

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