Obesity
The term 'obese' describes a person who's very overweight, with a lot of body fat. Ways to lose weight safely include eating a healthy, reduced-calorie diet and exercising regularly.
Obesity is generally caused by eating too much and moving too little. Underlying health conditions and taking certain medications can also contribute to weight gain.
Read about how body mass index (BMI) is used to determine whether a person is overweight or obese. Lifestyle factors, such as diet and physical activity levels, are also important.
Information and advice about losing weight safely using diet and exercise. Other useful strategies include setting weight loss goals and asking for the support of family and friends.