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Allergy is nothing but the symptom of a response given by the human body’s immunity system against all those common things that causes injury.

The Immune System

The immunity system is a combination of organs, cells and molecules and is spread throughout or body. It works in perfect coordination to protect the living body from any disease or disorder. The immune system is armed to fight off internal mutiny and external invasions. Invasions from the outside can be as infections that are caused by germs such as fungi and bacteria, and an internal mutiny might be a cancer.