Linking the field to the laboratory in nutrition research

The three examples presented illustrate the dynamic way in which the field and the laboratory interact. Both types of study rely on sound research design and clear articulation of the relevant exposure. In all studies it is essential to consider the effect that measurement error will have on the estimate of the effect of the exposure on the outcome. Epidemiological studies rely on metabolic research to refine the methods and measures of nutritional exposures used in studies of cause-effect relationships. Metabolic studies rely on population studies to determine whether the experimental evidence they reveal is of public health importance. The Nutrition Society provides a vital forum within which this exchange between the field and the laboratory will continue.