this research is a analytical- descriptive study. the aim of this study is determination attitude of health centers authorities in tehran about roles and activities of community health nurse. the research instrument was a questionnaire with 33 questions that was made by the researcher. the data was collected through visit to research units in health centers. the result of research showed that t...

the city is alive with dynamic systems, where parks and urban green spaces have high strategic importance which help to improve living conditions. urban parks are used as visual landscape with so many benefits such as reducing stress, reducing air pollution and producing oxygen, creating opportunities for people to participate in physical activities, optimal environment for children and decreas...

despite  impressive  advancements  in  diagnostic  and  treatment technologies,  infectious  diseases  still  cause  a  significant  amount  of mortality and morbidity throughout the world due to the unpredictable and inevitable  rise  of  new  or  previously  dormant  pathogens.  emerging infectious disease (eid) outbreaks are mainly associated with changes in physical environment and human be...

The environment and public health goals hold a common value of healthy populations. The threat of bioterrorism requires a partnership of both, building upon the long history of the link between public health and the environment. This existing relationship is key to an effective system of biodefense for the nation, because the use of biological weapons through every environmental pathway poses a...