People with allergies have an inherited (genetic) predisposition for developing hypersensitivity to inhaled and ingested substances (allergens) that are harmless to other people.
A healthy immune READ MORE http://www.connecticutcenterforhealth.com/allergies.html
In simple terms, an allergy is a hyperactive response of the immune system to certain substances which are "foreign" to our bodies. These substances are called "allergens", and they can range from foo READ MORE http://www.healingdaily.com/conditions/allergies.htm