http://www.RagweedAllergyCincinnati.com An allergy is a catch-all word for a broad variety of reactions to substances with the aim of the body determines to be present foreign. No matter which with the aim of it does not recognize having the status of itself can be present considered an allergen. As soon as the body encounters a foreign substance, it reacts by making antibodies or else releasing a variety of chemicals called histamines. As soon as histamines and other substances are released into the scheme, they cause an inciting rejoinder we call an allergy. For more information please visit http://www.RagweedAllergyCincinnati.com