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The World Obesity Federation (WOF) has issued a
health warning. It said
of us will be obese or overweight by 2035. In just over a
, more than four billion people will have weight
. There are over a
obese people in the world today. Rates are rising
among children and
. The WHO defines obesity as "abnormal or excessive fat
that presents a risk to health". A body
index (BMI) over 30 is obese. The American Medical Association classed obesity as a disease. Many health organizations say it is a
.
