BACKGROUND The purpose of this study was to determine the age-related loss of health-related physical fitness and normative data in healthy population women aged 20-60 years old of Tehran, Iran. METHODS In this cross-sectional study, 1000 healthy women aged 20-60 years old were randomly selected from northern, southern, eastern, western and center regions of Tehran. Cardiovascular fitness was...

BACKGROUND Multiple studies have demonstrated strong associations between cardiorespiratory fitness and lower cardiovascular disease mortality. In contrast, little is known about associations of fitness with nonfatal cardiovascular events. METHODS AND RESULTS Linking individual participant data from the Cooper Center Longitudinal Study with Medicare claims files, we studied 20642 participants...

BACKGROUND Prevalence of cardiovascular risk factors is unevenly distributed among occupational groups. The working environment, as well as lifestyle and socioeconomic status contribute to the disparity and variation in prevalence of these risk factors. High physical work demands have been shown to increase the risk for cardiovascular disease and mortality, contrary to leisure time physical act...