What Is An Allergy?

what-is-an-allergy

An allergy is the response of the body's immune system to normally harmless substances, such as pollens, foods, and house dust mite. Whilst in most people these substances (allergens) pose no problem, in allergic individuals their immune system identifies them as a ’threat’ and produces an inappropriate response. For example, most people tolerate being in contact with cats, but when you are al...

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