If a person regularly gets even a little more energy from food than they need, they may start to gain weight and eventually become overweight. Extra energy from food and drink is mostly stored as fat. Balancing energy intake and output to maintain a healthy weight has many benefits. The BMI value below are for adults, ie when growth has stopped. She is therefore a healthy weight.
Obesity is common in North America, Australasia and Europe.
It also occurs, but is less common, in developing countries. Obesity tends to be more common among people aged 40-60 years and those from lower income groups. Today, more people are obese than ever before. It is normal to store fat during growth, particularly during infancy and adolescence. It is therefore difficult to measure obesity in children.