objective: oxidative stress as a consequence of aging can induce infertility in males. in this study, we have investigated the effects of aging on sperm parameters, intra-spermatic water soluble antioxidants, reactive oxygen species (ros), and in vitro blastocyst formation. methods: we chose 5 older nmri male mice (10-12 months) and 5 younger nmri male mice (2-3 months). sperm parameters, ros, ...

background the use of long-term care services has risen and this trend is expected to continue as the population reaches old age. objectives this study was performed to assess the caring conditions in nursing homes. patients and methods this study was conducted with a qualitative approach using conventional qualitative content analysis. the study was conducted on 23 iranian participants includi...

vitamin d deficiency is the most under-diagnosed medical condition in postmenopausal women. there are few epidemiologic studies on vitamin d status of postmenopausal women in iran. this study aimed to investigate the 25-hydroxyvitamin d levels in postmenopausal women living in tehran, capital of iran. in this cross sectional study, 110 women were selected via convenience sampling method from me...

the immune system of mammalian organisms undergoes alterations that may account for an increased susceptibility to certain infections, autoimmune diseases, or malignancies. well characterized are age related defect in t cell functions and cell mediated immunity. although it is well established that the functional properties of t cells decrease with age, its biochemical and molecular nature is p...

age related skin disorders due to structural and functional changes in the skin of the elderly may increase health care costs. as a result of an increase in the number of aging population in iran, provision of dermatology services to the elderly group due to the limitation of resources and the high cost of those services will be a challenge for the health care system. moreover, by increasing th...

conclusions regular aerobic exercise could increase plasma klotho levels, and this could be an explanation for exercise-related anti-aging effects. background klotho is an anti-aging protein that is predominantly secreted by the kidneys. objectives the aim of the study was to measure and compare the circulating klotho levels in the serum of trained athletes and in healthy, non-athlete controls....

Background: Artificial turf (AT) has been related to increased injury rates when compared natural grass (NG). One potential reason for the differences in is difference mechanical characteristics of surfaces. Over course a season on artificial turf, due heavy use and environmental factors, properties surface (such as compliance) may be altered. The purpose was compare effects newly installed ver...