AllergiesWeb Directory

An allergy is a sensitivity to a certain substance which, in similar quantity, is tolerated by non-allergic people. The allergen is the specific protein substance that a person is allergic to. The presence of this allergen in the body causes a series of chemical reactions in the immune system which result in individual signs & symptoms. The tendency to be allergic is inherited; the actual allergy is not inherited.

Subcategories 14

Related categories 7

Sites 27

Loading Loading new listings for you to review...

Other languages 12