Obesity is a long term disease which does not leave the human body easily and gives rise to many other diseases. Obesity makes a person weak and lazy. He enjoys only eating and sleeping. Obesity is caused by excess fat in the body. Obesity is found in most of the age groups Due to poor lifestyle habits of people, it is increasing day by day. Another way to assess obesity is to measure waist circumference. If you have more fat around your waist, then you are statistically more at risk of obesity-related diseases. Nowadays, this disease is seen even in small children.