World Health Organization's definition of obesity is a Body Mass Index (BMI) greater than
or equal to 30.
BMI is the most used measure for adults in the UK. It is the same for both
sexes and across all ages and as such provides the most useful population-level
indicator of overweight (BMI of 25 or above) and obesity. However, it should
only be used as a guide and does not account for muscle mass or for fat
distribution which varies between individuals.
In children and adolescents the British 1990 growth reference charts are used to
classify the weight status of children according to their age and sex because
will vary depending on these factors.
provide a useful tool for measuring obesity.
problems associated with morbid obesity may include:
There are also serious psychological and social repercussions from
being overweight or obese.
From April 2013 local responsibility for the prevention and management of obesity in England transferred to local authorities.