via webmd.com
Uncover Your Allergy Triggers
Nearly 20% of Americans suffer from allergies. Allergies are an abnormal response of the immune system where the body's defenses react to a usually harmless substance in the environment, such as pollen, animal dander, or food. Almost anything can trigger an allergic reaction, which can range from mild and annoying to sudden and life-threatening. Here are 10 of the most common triggers.
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