Losing weight is life-long struggle for many people.
A recent study showed that 70% of South African women and a third of men being classified as overweight or obese.
According to the Heart and Stroke Foundation 40% of women in South Africa are obese; this is an indication that their body mass index (BMI) is greater than 30kg/m2.
But scientists are now developing a new weight-loss method without undergoing surgeries such as a gastric bypass.
A gastric balloon that can be swallowed has proven to be able to help people lose a significant amount of weight without surgery.
Take a look at how this procedure works: