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To achieve [a reduction in overweight and obesity] is perhaps the major public health and societal challenge of the century. Potential strategies include [….] redesign of built environments to promote physical activity, changes in food systems, restrictions on aggressive promotion of unhealthy drinks and foods to children and economic strategies such as taxation. Willet 2

Non-communicable diseases (NCDs)—mainly cancers, cardiovascular diseases (CVDs), diabetes and chronic respiratory diseases—are the main causes of death and morbidity worldwide. 3 NCDs are now annually responsible for more than 35 million deaths in the world with more than 80% of this disease burden occurring in low-income and middle-income countries. 4 At the same time, NCDs are highly preventable by means of effective preventive interventions tackling shared behavioural risk factors such as unhealthy diets, harmful use of alcohol …