What Is An Allergy?

An allergy is an abnormal reaction to a usually harmless foreign substance in the body, an atack if you will. Allergies can be caused by just about any substance that you inhale, swallow or that touches your skin. Allergies are extremely common, affecting nearly 2 in 5 people. Some of the more common symptoms include asthma, sneezing, runny nose, congestion, itchy or burning eyes and skin irritation. In severe cases even death can occur.

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