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The purpose of medical research is to analyse and understand health and disease. A key and expensive element is the study of populations to explore how interactions between behaviour and environment, in the context of genetic diversity, determine causation and variation in health and disease. As funders of public health research, we need to ensure that research outputs are used to maximise knowledge and potential health benefits. In turn, the populations who participate in research, and the taxpayers who foot the bill, have the right to expect that every last ounce of knowledge will be wrung from the research.
Link to read full text: http://www.thelancet.com/journals/lancet/article/PIIS0140-6736(10)62234-9/fulltext