1. Obesity and the Economics of Prevention
2. World Health Organisation/Europe approaches to obesity http://www.euro.who.int/en/health-topics/noncommunicable-diseases/obesity/obesity
3. Global health risks: Mortality and burden of disease attributable to selected major risks;Mathers;World Health Organisation,2009
4. WHO Fact sheet: obesity and overweight http://www.who.int/mediacentre/factsheets/fs311/en/