recognizing patients at a higher risk of developing chronic low back pain (lbp) is important in industrial medicine. this study aimed to assess the power and quality of general health questionnaire (ghq) for prediction of the odds of chronicity of acute lbp. this study was conducted on industrial workers. all subjects with acute lbp who met the inclusion criteria were enrolled. demographic char...

The Caspian trout is an endangered and quite vulnerable fish, considered for a natural protection program in the southern area of the Caspian Sea. Copper oxide nanoparticles (CuO-NPs) are toxic substances, which induce oxidative stress, not to mention other pathophysiological states. The toxicity of nanoparticles on fish needs more characterization for short- and long-term effects.  Thus, the p...

pesticides are widely used in iranian agriculture and this has made a major toxicological concern among health professionals. the objective of this study is to explore national data about pesticides toxicity. all relevant databases such as google scholar, pubmed, and scopus in a time period of 1960 to 2012 were searched for the keywords “pesticides, iran, environment, and population studies”. a...

Background: Maytenus heterophylla (M. heterophylla) is commonly used in African traditional medicine for the management of various ailments. The present study evaluated the antioxidant, antimicrobial and safety properties of the Flavonoid extract of M. heterophylla in Wister rats. Methods: The Flavonoid was subjected to antibacterial study via agar well diffusion method, and antioxidant stud...

Children's Exposure to Pesticides Exposures of Farmworkers and Their Families Potential Health Effects of Exposure to OP Pesticides Effects of Acute Exposure to OP and Carbamate Pesticides in Children Long-Term Sequelae of Acute Exposure to OP and Carbamate Pesticides in Adults Effects of Chronic Exposure to OP and Carbamate Pesticides in Adults Animal Evidence for Neurodevelopmental Effects of...

background: acute renal failure describes as a syndrome by rapid decline in the ability of the kidney to eliminate waste products, regulate acid–base balance, and manage water homeostasis. when this impairment is prolonged and entered chronic phase, erythropoietin secretion by this organ is decreasing and toxic metabolic accumulates and causes hematological changes include decrease of hct, mcv ...

Molecular mechanisms of radiation dose-rate effects are not well understood. Among many possibilities, long-lasting sustained alterations in protein levels would provide critical information. To evaluate sustained effects after acute and chronic radiation exposure, we analyzed alterations in protein expression in the livers of mice. Acute exposure consisted of a lethal dose of 8 Gy and a sublet...

Background: Mustard gas is a disabling chemical weapon and was widely used in first world war and Iraq-Iran war. Its toxic effects could be acute or chronic and they could particularly affects lungs, eyes and skin. Objective: To study the frequency of chronic complications of sulfure Mustard gas in Iranian victims 14 to 20 years after exposure. Patients and Methods: This descriptive cross-secti...

ABSTRACT Background: Herbal distillates have been used for many centuries as drinks, flavors, and herbal medicine in Iran, especially in the city of Urmia. Recently, some studies claimed the presence of methanol in different types of herbal distillates. Methanol is a highly toxic compound which can cause acute or chronic toxicity in humans. Acute poisoning with methanol can cause different co...