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Read about the main cause of obesity – eating too much and moving too little. Genetics, underlying health conditions and taking certain medications can also contribute to weight gain.
- Treatment
Many different types of anti-obesity medicines have been...
- Diagnosis
Causes. Diagnosis. Treatment. Body mass index (BMI) is...
- Prader-Willi Syndrome
Causes of Prader-Willi syndrome Prader-Willi syndrome is...
- Cushing's Syndrome
Search the NHS website. Search. Health A-Z NHS services Live...
- Obesity
The term obese describes a person who has excess body fat....
- Treatment
The term obese describes a person who has excess body fat. In the UK it's estimated that around 1 in every 4 adults and around 1 in every 5 children aged 10 to 11 are living with obesity.
Causes of obesity. Obesity is generally caused by consuming more calories – particularly those in fatty and sugary foods – than you burn off through physical activity. The excess energy is stored by the body as fat.
Causes. Diagnosis. Treatment. Body mass index (BMI) is widely used as a simple and reliable way of finding out whether a person is a healthy weight for their height. For most adults, having a BMI of 18.5 to 24.9 is considered to be a healthy weight.
Obesity results from an imbalance between energy intake and energy expenditure. This can be influenced by: Lifestyle factors, such as: Food and drink consumption — a diet high in sugar and fat has been implicated as a risk factor for obesity.
Definition. Causes and risk factors. Prevalence. Complications. Prognosis. Obesity: Summary. The terms 'overweight' and 'obesity' are used to describe excess body fat. Obesity results from an imbalance between energy intake and energy expenditure. Many factors can influence this, including lifestyle, genetics, medical conditions, and medication.
Obesity 1 — BMI of 30–34.9 kg/m 2. Obesity 2 — BMI of 35–39.9 kg/m 2. Obesity 3 — BMI of 40 kg/m 2 or more. BMI is calculated by dividing a person's weight in kilograms by the square of their height in metres. An online calculator is available at www.nhs.uk.
