Tag Archive: affects

Jul 09

What is an Allergy ? What causes allergic reactions ?

An adverse immune response is the body’s attempt to kill or expel a foreign protein that has invaded it. From the body’s perspective, therefore, an allergic reaction is a protective mechanism. While immune reactions can occur in response to viruses or bacteria – and, on occasions, inappropriately to the body’s own proteins allergic reactions usually occur in response to external, non-infectious substances.

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