Cardiovascular diseases are set to rise dramatically in developing countries, partly because of an increase in risk factors for the diseases, which include diet, physical activity, smoking. The authors looked at cardiovascular disease risks such as being overweight or obese, systolic blood pressure, and total cholesterol, and related them to national income, food purchase constraints, and urbanisation. Body mass index (BMI) and cholesterol increased as national income increased, then flattened, and eventually declined. BMI also rose with increasing urbanisation.

The authors suggest that cardiovascular disease risks will increasingly be concentrated in low-income and middle-income countries. Thus, preventing obesity should be considered a priority in these countries, along with measures to control blood pressure, cholesterol, and tobacco use.

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