An eminent professor, Dr David Haslam, head of the National Obesity Forum has revealed the positives of offering gastric bypass surgery on the NHS,

According to NHS data, one out of three children is fat. Obesity brings on a host of diseases like diabetes and heart disease. Asthma, joint pains and blood pressure is also on the increase among obese children.
The health service is also coughing up more than £5.1billion a year on treating illnesses linked to obesity - such as cancer, heart disease and diabetes.
Source-Medindia