CONTEXT Few studies have examined the associations between sleep duration, shiftwork, and exercise to the infrequent menstruation, hyperandrogenism, and ovarian morphological changes observed in women with polycystic ovarian syndrome (PCOS). OBJECTIVE To examine whether lifestyle factors, including short sleep duration, insufficient exercise, and shiftwork, alone or in combination, are associ...

This report addresses three aspects of work and health among offshore personnel, drawing on data collected between 1995 and 2002. • A detailed survey of North Sea personnel (N=470) working on 'Floating Production, Storage and Offloading' (FPSO) installations in 2002 is reported. Significant differences were found across installations and across job types in a wide range of psychosocial measures...

Twelve-hour shifts are a popular alternative to 8-h shifts as many consider these shift arrangements superior in terms of facilitating a better social and family life. This view is largely based on anecdotal evidence, however as few studies have examined longitudinal relations between work/non-work conflict and shift length. Using self-report data from 137 machine operators, this study examined...

some recent studies have revealed the relationship among excess ferritin, coronary heart disease, and insulin resistance. to assess the association between serum ferritin concentration and impaired fasting glucose, this study was designed. a total of 187 people including 91 impaired fasting glucose (ifg) subjects and 96 normal glucose subjects who had been recognized in a large epidemiological ...

mice were rendered tolerant and dependent to morphine by subcutaneous injection of morphine over a period of 5 days. the effects of acute and chronic administration of dihydropyridine calcium channel antagonist nifedipine on the development of tolerance and naloxone-precipitated morphine withdrawal signs were investigated. a single injection of nifedipine proved to be effective in inhibiting so...

Twelve-hour shifts are a popular alternative to 8-hour shifts as many consider these shift arrangements superior in terms of facilitating a better social and family life. This view is largely based on anecdotal evidence, however as few studies have examined longitudinal relations between work/non-work conflict and shift length. Using self-report data from 137 machine operators this study examin...