The global epidemic of obesity

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Abstract
Obesity is at last being recognized as a major public health problem of global significance. More quality national obesity prevalence data are urgently needed but it is clear that rates are already high and increasing in most parts of the world. Current estimates of the global prevalence exceed 250 million. The first formal World Health Organization Consultation on obesity concluded that the global epidemic is an unintended consequence of modernization, economic development, urbanization and other societal changes. These have led to widespread reductions in spontaneous and work‐related physical activity and to excessive consumption of energy dense foods. Links between reduced growth in utero and increased risk of ill health in later life may partly explain why populations in many developing countries are especially susceptible to obesity, diabetes and heart disease when exposed to modern sedentary living. The International Obesity TaskForce has launched a global initiative for coherent action to tackle the epidemic.