Cockroaches play an important role in transmission of different diseases either mechanically and occasionally biologically. The aim of current study was on the identification of cockroaches and their contamination to different bacteria in two hospitals affiliated to the Kordestan University of Medical Sciences which was performed in 2003. Cockroaches were collected from different parts using st...

In the period between 1950 and i960 there were a number of reports of the relative insensitivity of insect nerves and ganglia to various electrolytes, drugs and toxicants which affected vertebrate nervous systems. Examples include: potassium acting on the crural nerve of the locust, Locusta migratoria (Hoyle, 1952, 1953); potassium and acetylcholine acting on ganglia of the American cockroach P...

d a r e ( t d Exposure and sensitization to indoor allergens are important risk factors for asthma.While the role of indoor allergen exposure in the development of allergic sensitization and the onset of asthma remains a subject of controversy, there is strong evidence that indoor allergens play a key role in exacerbation of existing asthma, particularly in sensitized individuals. In this suppl...

cockroaches is not easy to document, given the precarious hygienic conditions of some of the habitats where they live. In fact, asthma is the only disease consistently associated with exposure to cockroaches [4–6] . Curiously enough, cockroaches have no lungs (they breathe through lateral spiracles in the body) [1] , but inhalation of cockroach materials by humans may trigger IgE antibody respo...