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