Managing and Preventing Allergies: Tips for Reducing Exposure to Common Allergens and Alleviating Symptoms
Definition of allergies. Allergies are an immune system response to a substance that is usually harmless to the body. This substance, called an allergen, can trigger an allergic reaction when it is inhaled, ingested, or comes into contact with the skin. Common allergens include pollen, dust mites, pet dander, mold, and certain foods. Symptoms of …