نتایج جستجو برای: short term exposure

تعداد نتایج: 1161469  

2008
Stelios A. Zinelis

Individuals who report sensitivity to electromagnetic fields often report cognitive impairments that they believe are due to exposure to mobile phone technology. Previous research in this area has revealed mixed results, however, with the majority of research only testing control individuals. Two studies using control and self-reported sensitive participants found inconsistent effects of mobile...

2014
Zahra Zamanian Asghar Nikravesh Mohammad Reza Monazzam Jafar Hassanzadeh Mohammad Fararouei

BACKGROUND About 20 to 50 percent of accidents are due to some forms of carelessness and mindedness. Studies suggested that vibration is one of the most important physical factors in human performance when traveling on any sort of vehicles. The aim of this study was to investigate the effect of vehicles vibration on cognitive performance (attention and concentration). METHODS The sample consi...

Journal: :Journal of Occupational Medicine and Toxicology (London, England) 2009
Sindre Svedahl Kristin Svendsen Torgunn Qvenild Ann Kristin Sjaastad Bjørn Hilt

BACKGROUND Exposure to cooking fumes may have different deleterious effects on the respiratory system. The aim of this study was to look at possible effects from inhalation of cooking fumes on pulmonary function. METHODS Two groups of 12 healthy volunteers (A and B) stayed in a model kitchen for two and four hours respectively, and were monitored with spirometry four times during twenty four ...

Journal: :Environmental research 2008
Arie Steinvil Levana Kordova-Biezuner Itzhak Shapira Shlomo Berliner Ori Rogowski

OBJECTIVES To evaluate the effect of short-term exposure to air pollutants on inflammation-sensitive biomarkers in apparently healthy individuals. METHODS We enrolled all participants from The Tel-Aviv Sourasky Medical Center inflammation survey held between 2003 and 2006, excluding participants with an acute or chronic inflammatory disease, pregnancy, steroidal or nonsteroidal treatment, or ...

2009
Valerie B Haley Thomas O Talbot Henry D Felton

BACKGROUND Studies have shown that the effects of particulate matter on health vary based on factors including the vulnerability of the population, health care practices, exposure factors, and the pollutant mix. METHODS We used time-stratified case-crossover to estimate differences in the short-term impacts of PM2.5 on cardiovascular disease hospital admissions in New York State by geographic...

صیادی, احمدرضا, مرتضوی, سید محمد جواد, ناظر, محمد, کریمی, حسین,

  The Ef fect of Microwave Radiation Emitted by Mobile Phones on Human Short Term Memory     S.M.J. Mortazavi [1] , M. Nazer [2] , A.R. Sayyadi 2 , H. Karimi [3]     Received: 15/08/07 Sent for Revision: 26/10/08 Received Revised Manuscript: 26/11/08 Accepted: 11/01/09     Background and Objectives : The widespread use of cell phones has made the researchers focus on its health effects. However...

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