background and purpose: nutrition plays a key role in maintaining and promoting health and preventing diseases. in most medical schools, nutrition education is not sufficient and only 26% of college students have proper nutritional education programs. physicians should use their knowledge through education and counseling with patients and healthy people to increase people’s level of health. poo...

Health risks from asbestos exposures have been evaluated, considering past professional histories when exposures at workplaces were higher than today. A linear no-threshold (LNT) model has been applied, although its relevance is unproven. Fibers are often found in the lungs and pleura of deceased people. Fiber findings do not prove that a disease is caused by asbestos. It is reasonable to assum...

conclusions: the study findings revealed that the catheter infection in our patients had sources other than normal skin flora. these results will assist in determining the possible source of the infections, furthermore, how they are transmitted, moreover aid in controlling and preventing these dangerous in- infections. results: forty-four out of 60 catheters (73.3%) were positive with a signifi...