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Open all pages about Obesity

Adults are generally considered obese if they have a body mass index of 30 or above.

Obesity is usually caused by eating and drinking too much and moving too little.

The main treatment for obesity is a reduced-calorie diet and an exercise plan. Less common treatments include weight loss medicines and surgery.

Obesity is where you're very overweight. It can put you at risk of serious health problems.

Page last reviewed: 15/02/2023
Next review due: 15/02/2026