There are many reasons why we must tackle obesity. Obesity is a key risk factor for numerous chronic disease, such as diabetes and cardiovascular disease. The failure of health systems to tackle obesity leads to millions of deaths and disability. This also damages our economies. Obese people are less likely to be employed than normal-weight people. They are less productive at work due to more sick days and fewer worked hours, and they earn about 10% less than non-obese people (OECD/EU (2016)