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Physical activity and breast cancer: the evidence
Approximately three-quarters of these studies classified women according to three or more levels of physical...
Inferring cause in epidemiologic studies
The epidemiologic models previously described provide a framework for considering the association among variables in...
Etiology of overweight and obesity: set point or settling...
Weight gain resulting from excess storage of fat is ultimately explained by an intake of...
Individual barriers to physical activity influence behavior
Costs and barriers associated with a behavior have been recognized as important influences on that...
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