Allergies affect millions of children and adults in the United States. An estimated one in five people suffer from allergies such as food allergies, pet allergies, seasonal allergies and more. Allergies occur when the body's immune system reacts abnormally to various things people come into contact with on an everyday basis. These things that cause allergic reactions are called allergens.
Common allergens include:
toxins from insect bites
Most cases of allergies can be managed with over the counter medication, but people wi...
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