background: many countries make many of their governmental sectors private. this transition, however, may affect their employees in numerous ways. objective: to determine the level of occupational stress and mental health of employees of a petrochemical company in isfahan, central iran, before and 3 months after privatization. methods: out of the 700 employees of the studied company, using a st...

background: lead toxicity is a prevalent health problem in both developed and developing countries. one of the proposed mechanisms for lead-induced organ damage is oxidative stress. oxidative stress is well-associated with the pregnancy disorder, pre-eclampsia. exposure to lead may be one of the sources of the oxidative stress that leads to development of pre-eclampsia in pregnant women. object...

Electroencephalography (EEG) is the tool to record electrical activity over the scalp. This technique is widely used in clinical or research setting, since it is user friendly and non – invasive. In clinical setting, the EEG signal is used to diagnose the disease related to brain. In research setting, the usage of EEG signal is focused on rehabilitation; mental stress study . This paper present...

BACKGROUND The purpose of this study was to determine the level of heat stress to construction workers using Thermal Work Limit (TWL) and Wet Bulb Globe Temperature (WBGT) indices and by measuring Urine Specific Gravity (USG) among construction workers in Iran and comparing the appropriateness of these indices for measuring heat stress in Iran climate. METHODS This comparative and experimenta...

in order to investigate the effects of drought stress and nitrogen fertilizer on photosynthesis rate and some physiological characteristics in two barley cultivars, a pot experiment was conducted using a randomized complete block design as a factorial experiment with three factors including water stress, nitrogen fertilizer and barley cultivars in three replications. irrigation treatments condu...

The occupational health area is developing models with a variety of methods to address and prevent job stress at the organization-level. A review of literature on employee assistance program (EAP) was conducted to explore relevant methods from its perspective. Result reveals that EAP is a potential good partner in the efforts to prevent Job stress at organization-level. Keywords-job stress; str...

conclusions stress had a moderate level in dental students of study, which requires more attention. due to the most level of stress in students of fifth and sixth years, it is recommended to take specific actions for this sensitive period of dentistry education. background studying dentistry environment is important to assess stress causes, which is harmful for educational system. objectives th...