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Physical Activity, Sedentary Behaviour and Melatonin Among Rotating Shift Nurses
Background: Shift work is associated with increased risk of cardiovascular disease and cancer, where decreased melatonin has been proposed as an intermediate in the causal pathway. The influence of physical activity on ...
Determinants and methods of assessment of melatonin levels among rotating shift nurses
Background: Long-term night shift work has been associated with multiple cancer sites, including breast, prostate, colon and endometrial. The mechanism for this effect is hypothesized to include the hormone melatonin; where ...
The Influence of Shift Work, Light at Night and Clock Gene Polymorphisms on Melatonin Levels and Breast Cancer Risk
Background: Shift work has recently been identified as a breast cancer risk factor, where meta-analysis has indicated an approximately 50% increased risk among long-term shift workers. However, additional studies with more ...
Melatonin Patterns Among Female Hospital Employees On Day And Night Shifts: Assessment By Different Exposure Metrics
Objective: To assess the associations of different shift work exposure metrics with circadian melatonin mesor, amplitude and acrophase. Methods: In a cross-sectional study of 328 female hospital personnel working ...