نتایج جستجو برای: short term effects
تعداد نتایج: 2298084 فیلتر نتایج به سال:
background over the last decade there has been an increase in healthcare expenditures while at the same time the inequity in distribution of resources has grown. these two issues have urged the researchers to review the determinants of healthcare expenditures. in this study, we surveyed the determinants of health expenditures in economic cooperation organization (eco) countries. methods we us...
The effects of taking snacks on the learning ability and educational achievement of elementary school children in district 18 of Tehran educational organization were examined in the school year 1997-98. Other factors such as grade, nutritional status, breakfast eating habits and snack eating habits in the school were also studied. For this purpose 236 boys were selected by random sampling in 4 ...
Introduction: Previous studies have shown that exercise enhances cognitive and functional capacities in patients with Alzheimer's disease (AD). In this study, we investigated the effect of long-term (60 days) and short- term (10 days) exercise on the spatial memory deficits in an animal model of AD. Methods: Fifty male rats were divided into 5 groups 1) intact, 2) sham, 3) sham-Alzheimer 4) ...
background: airport workers are continuously exposed to different levels of radiofrequency microwave (rf/mw) radiation emitted by radar equipments. radars are extensively used in military and aviation industries. over the past several years, our lab has focused on the health effects of exposure to different sources of electromagnetic fields such as cellular phones, mobile base stations, mobile ...
Although lightning is an uncommon phenomenon in nature; it can cause many destructive incidents. In the event of a lightning strike, multiple organs particularly the cardiovascular systems are at risk of injury. Short-term mortality depends on its cardiac effects. In this paper, the authors report the development of myocardial infarction and pericardial effusion after lightning injury, a typica...
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