Posts Tagged ‘seasonal allergy’
What is Allergen
Most of us are familiar with the word allergen but what does allergen really mean? Allergen is actually a term for any substance that causes allergy. While different people react differently towards certain types of allergen, the severity of the reaction differs from individuals. There are many different types of allergen from dust mite to food. An allergic reaction can be caused by any form of direct contact with an allergen from inhalation, indigestion...