Surgery is 'only means to healthy weight loss'

By Steve Connor, Science Editor

Tuesday, 9 September 2008

PA

This Morning presenter Fern Britton had a gastric band fitted two years ago, which enabled her to lose 5 stones

The number of Britons undergoing drastic stomach surgery to treat obesity will have to soar in the coming years because it will be the only way that many people are able to maintain the weight loss necessary for a healthy life, scientists have said.

Dieting and other lifestyle changes can lead to substantial weight loss. But many people, the scientists said, find it hard to maintain the loss because hormone levels change, making the body want to produce more fat.

"Once you start losing weight by decreasing calorie intake, your body interprets this as starvation and goes into emergency status, fighting to lay down fat deposits where possible," explained Rachel Batterham of University College London. "Therefore you are fighting against your body when losing weight."

Stomach surgery such as gastric bypass operations should not only be carried out on severely obese people, but offered to overweight men and women as a form of disease prevention, in much the same way statins are offered to prevent heart disease, they said. Read full story