Top trending researches in Immunology and Allergy An allergy is a kind of foreign particles enter in to a human body and it occurs when a human’s immune system reacts to substances in the living environment that are harmless for all most all the people. The allergy refers to the damaged or hypersensitive immune responses towards substances that either enter or come in contact with the human body, such as food, pollen, dust or fur, and pet dander. As we as allergic conditions to a huamn can develop at any age or stage, the risk factor of developing allergic reactions is genetic in nature. Very common allergic symptoms include havey fever, allergic eyes, asthma, and allergic shock. Allergy is a kind of hypersensitivity disorder of the human immune system. It is an immunologically and clinically mediated reaction to a foreign antigen which enters a week immune system, resulting in unreactive intense immune responses, which cause tissue diseases or damages, organ damage. Most frequen...