Epilogue for the Seven Countries Study
The Seven Countries Study was the first to establish credible data on incidence and death rates of CHD and stroke in contrasting cultures. Differences were found on the order of 5 -fold in 25-year CHD mortality rates, along with measurable trends in rates over as little as a decade. Thus, whole populations and cultures are at relatively high or low risk and their risk and disease rates may change rapidly in historical terms. Such findings can only be explained by the operation of powerful sociocultural influences. These may include changes in health behaviors, in risk factor levels and in medical care. The public health implications for prevention are clear and profound.
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