background: health care workers are facing certain occupational hazards because of sharp injury and exposure to human blood and body fluids as a result of handling wastes. though much attention is paid for the protection of these workers, the number of exposures and injuries do not show a sign of decline from time to time. objective: to examine the occurrence of sharp injury and exposure to blo...

Background: Oxidants and inflammation agents are predisposing factors for the development of prostate cancer. As a chemical warfare, sulfur mustard (SM) can cause cancer through various pathways mainly increased production of oxidants and inflammation. Due to high incidence of cancer in SM victims, concentration of prostate specific antigen (PSA) in SM victims was evaluated and compared with th...

Background and Aim: Exposure to impact noise (short-term, high intensity) higher than permitted levels results in injury to the auditory system. Armed forces are one of the occupational groups exposed to these types of noises resulting from gunshots. In this study, relevant articles and research on the adverse effects of impact noise, hearing loss, and tinnitus in armed forces and effective con...

Background: There has been a growing claim that cell phone usage may have a detrimental effect on sperm chromatin. Infertile men possess anomalies in the composition of their sperm nuclei, displaying higher levels of loosely packaged chromatin and damaged DNA. In this study we examined the relationship of cell phone radiation and the protection effect of alpha_tocopherol on human sperm DNA. Mat...

Abstract Introduction: Mobile phones create high-frequency electromagnetic fields around them when in use. The close proximity of mobile phones to the user’s head leads to the absorption of part of the electromagnetic waves into the head and the brain. Methods: We have elucidated the alteration in cognitive function of the male and female offspring rats, which were exposed to chronic mobi...