The introduction of arsenic, which is represented by the symbol "As" in the periodic table, is one of the heavy metals that can be found in soil, water and food. This substance is one of the xenobiotics and if it is ingested, it will have adverse health consequences. Arsenic is classified as a carcinogen. Rice, which is one of the most consumed food products in the world, has a special tendency to accumulate arsenic in itself, so the continuous consumption of rice, especially rice that has more than the permissible limit of arsenic, can cause various health problems for consumers, including...

Giardiasis is one of the most common intestinal parasitic infection in all over the world which took place generally in children under five age. Giardiasis could be visible in children under five age in to one of the following shapes: 1.Asymptomatic infection 2.acute diarrhea 3.chronic diarrhea. Research Objectives 1.detection of giardia Lamblia parasite in children under five age who fed by breastfeeding and bottle feeding .2.effectiveness of breastfeeding in under five age children in prevention of giardia Lamblia. Methods and Materials This research was a Cross-sectional study and whenever...

Laryngoscope blades were analyzed, and the presence of blood, bodily uids, and microorganisms was verified, indicating their potential as a source of cross contamination during clinical usage. The way in which the blades are cleaned and disinfected in daily practice may place the patient and health care team at risk. Objective: The aim of this study was to determine the bacterial and fungal load on this equipment. Methods: Descriptive cross-sectional study. A total of 83 laryngoscope blades, ready for use, were analyzed for their bacterial and fungal load at Aliabad teaching hospital...