Sedentary lifestyle along with improper diet leads to an increased risk of lifestyle disorders. Obesity is one of them. Nowadays obesity is affecting not only the affluent section but every section and every age group. Childhood obesity is a very common problem leading to related disorders like diabetes, heart diseases, etc. later in the life. Body mass index (BMI) is a measure of obesity and can easily be calculated yourself. Asian Indian population is at an increased risk of such lifestyle disorders because our BMI cut-offs are different from western population. Therefore healthy eating and exercise is very important. Please note that different weight loss regimes should be followed in different conditions to get better results.