How a balloon can help obese persons lose weight

Once the balloon is inflated in the stomach with 550ml of water, it autoseals and remains in the stomach for four months before it is automatically expelled. — Photos: AZMAN GHANI/The Star

Any overweight or obese person will agree that losing weight is not easy.

It requires strict discipline, and often, after a successful period of weight loss, these individuals tend to slip back into old habits.