background public health nursing system, which is an accepted universal model for improvement of the community health, has not yet attained its rightful status in iran. the present study was conducted to evaluate the perceptions of the pioneers of health care about the public health nursing and the roles that a public health nurse can play in iran’s health system. methods this is a qualitative ...

Introduction: One of the main causes morbidity and mortality in world, populations all age groups are caused by Viral Respiratory Tract Infections (VRTI), however, there risk which condition can be aggravated, as Population Deprived Liberty (PDL). Aim: To identify scientific production on strategies for prevention control outbreaks VRTI Populations Outlining: Medline, Pubmed Central, SCIELO, LI...

Earth's ecosystem has been active for millions of years without particular problems and may lead the development of variety of animal species around the world.

introduction: today, with development of various industries, the adverse events originated from explosion and emission of toxic and chemical substances have increased. these events may cause serious environmental problems that threaten human health and safety. therefore, knowledge about the risk of toxic substances from industrial facilities is essential. although, chlorine is extensively utili...

OBJECTIVE The authors sought to clarify the structure of the genetic and environmental risk factors for 22 DSM-IV disorders: 12 common axis I disorders and all 10 axis II disorders. METHOD The authors examined syndromal and subsyndromal axis I diagnoses and five categories reflecting number of endorsed criteria for axis II disorders in 2,111 personally interviewed young adult members of the N...

In this study, we aimed to estimate the contribution of environmental pollutants to the incidence, prevalence, mortality, and costs of pediatric disease in American children. We examined four categories of illness: lead poisoning, asthma, cancer, and neurobehavioral disorders. To estimate the proportion of each attributable to toxins in the environment, we used an environmentally attributable f...

Introduction: Exposure of grain products in polluted soil lead to adverse effects on human health. In this study, concentrations of HM (As-Cr-Hg) were analyzed in wheat grain cultured in Gonbad-e-Kavus City, Golestan province, Iran. Furthermore, its potential health risk was evaluated among residents. Materials and Methods: The sampling sites were located in arable lands. After separating the ...