In 2000, soldiers from a Special Operations Force had airborne lead exposures 20 to 38 times the permissible exposure limit. Their average blood lead level was 13.9 microg/dL. Immediate implementation of pertinent Occupational Safety and Health Administration regulations was recommended. In 2003, investigators learned that the unit also used an outdoor firing range with exposures exceeding the ...

To determine whether current environmental lead (Pb) levels are causing any progressive changes in urinary Pb levels, 24-h urine samples were collected from 277 subjects (159 men and 118 women) in 1985, 312 subjects (155 men and 157 women) in 1993, and 311 subjects (156 men and 155 women) in 1998. All of the subjects worked in the same factory. The urinary Pb concentration was analyzed by flame...

abstract       background and objectives: diabetes induced oxidative stress plays an important role in pathological damage to the heart and liver by increased production of extracellular matrix. it is thought that the use of medicinal plants, particularly portulaca oleracea. l and regular exercise are effective. the aim of this study was to evaluate the effects of portulaca oleracea. l consumpt...

introduction: medical emergencies can frequently happen in dental settings and inability to cope with them can lead to tragic outcomes. the of aim of this study was to evaluate the occurrence of medical emergencies in dental settings in babol, iran and dentists’ self-perceived need for practical training in this field. materials and methods: a descriptive-ana-lytical study was performed by usin...