Citizens of the world have been  a gloomy and worrying health warning – half of us will be  as obese or overweight by 2035. The World Obesity Federation (WOF) has  that in just over a decade, more than four billion people will  too heavy for their own well-being. There  currently over a billion obese people in the world. The fastest rising rates are among children and adolescents. The WHO  obesity as "abnormal or excessive fat accumulation that  a risk to health". A body mass index (BMI) over 25  considered overweight, and over 30 is obese. In June 2013, the American Medical Association  obesity as a disease. Many health organizations have  it as a pandemic. 
The WOF  immediate action must be taken to  "serious repercussions" in the future. It said the rise was "particularly worrying". It  that, "governments and policymakers around the world  to do all they can to avoid passing health, social, and economic costs on to the younger generation". The federation  for the root causes to be . These  an increased consumption of highly processed foods, greater levels of sedentary behaviour, and a lack of healthcare services to  in weight management. The WOF  restricting the marketing of food that  high fat, salt or sugar content, and providing healthy food in schools.