|Hypersensitivity is the excessive, undesirable reactions produced by the normal immune system. Hypersensitivity reactions mediated by T cells can be activated by modified self proteins, or by injected proteins. Allergic hypersensitivity occurs when an individual, who has produced IgE antibody in response to an antigen, or allergen, gets exposed to the same allergen. Allergic hypersensitivity is immediate type hypersensitivity as it occurs seconds to minutes after allergen exposure and it may result in disorders like asthma, anaphylaxis, atopy. Allergens are nonparasite antigens that can stimulate a type I hypersensitivity response.
Scholarly journal is a peer-reviewed journal in which scholarship relating to a particular academic discipline is published. Scholarly journals serve as forums for the introduction and presentation for scrutiny of new research, and the critique of existing research. Content typically takes the form of articles presenting original research, review articles, and book reviews. The term Scholarly journal applies to scholarly publications in all fields this article discusses the aspects common to all academic field journals.