• be aware of prevalence levels in the Uk and worldwide

worldwide it is said that 50% of the population is obese or will be by 2030

The Health Survey for England 2021 estimates that 25.9% of adults in England are obese and a further 37.9% are overweight but not obese. Obesity is usually defined as having a body mass index (BMI) of 30 or above. BMI between 25 and 30 is classified as 'overweight'

• define overweight and obesity in adults and children

Adults

Obesity in adults is deifned as a BMI more than or equal to 30

Overweightness in adults is defined as a BMI between 25-30

Children

Obesity in children is measured slightly differently the WHO have a way of measuring this