objectives: the main purpose of this study was to determine the interactive role of physical activity and personality traits inpsychosocial development of elders. methods & materials: this research was a casual comparative with 300 elders (150 active and 150 non-actives) with 60-85 years old from tehran selected as statistical sample on available bases. all subjects completed psychosocial devel...

background hepatitis b virus (hbv) is a major cause of chronic hepatitis, liver cirrhosis, and hepatocellular carcinoma (hcc). hb vaccination is an essential step in the prevention of the disease and its consequent complications. objectives immune status of medical personnel in teaching hospitals of khuzestan is not well known. since these personnel are usually at risk of needle stick and other...

for high occurrences of upper extremity disorders in working populations and in order to compare the occurrence of musculoskeletal alterations due to ergonomic risk factors such as highly force exertion, repetition, awkward posture between exposed and non-exposed groups, the research was carried out in tabarestan steel industry. all 526 male workers (316 as exposed group : 132 aged 20-35 years,...

Background & Aims: The purpose of the present research was to compare the bone mineral density (BMD) of lumbar spine between athletic and non-athletic premenopausal women. Methods: Fifteen female athletes (runner) with the mean age of 33.80 ± 4.81 years, mean height of 164.13 ± 5.31 cm, mean weight of 57.33 ± 4.22 kg, and mean body mass index (BMI) of 21.41 ± 2.21 kg/m2 and 15 female non-athlet...