|Most of the people are allergic to allergens in the air and general environment like pollen, house dust mite, moulds, pets etc., which may lead to different types of respiratory disorders like Chronic Obstructive Pulmonary Diseases, Asthma, lung cancer, cystic fibrosis etc. It is important to learn the pathophysiology and treatment of diseases that affect the respiratory system. Most of the respiratory diseases are chronic in nature which affects the airways and other structures of the lung. The bronchial walls get contracted when exposed to histamines released by allergen affected cells. The risk factors for respiratory diseases include smoking, indoor air pollution, outdoor pollution, allergens.
The top open access journals are peer reviewed scholarly journals of Journal of Allergy and Therapy. The top open access journals are freely available on the public internet domain, allowing any end users to read, download, copy, distribute, prink, search or link to the full texts of the articles. These provide high quality, meticulously reviewed and rapid publication, to cater the insistent need of scientific community. These journals are indexed with all their citations noted. The top open access journals are indexed in MEDLINE, PUBMED, SCOPUS, COPERNICUS, CAS, EBSCO and ISI.