No one knows the definitive answer, however recently the energy balance theory (obesity as a result of eating) has been challenged by the endocrinological theory (basic body dysfunction) such as hormonal imbalance. This could of course explain why a lot of people come back to their original weight following successful weight loss with diet and exercise. Read more about this paper.
What Causes Obesity?
23 Aug, 2016
Written by Mr Ahmed Hamouda
Mr Ahmed Hamouda is The Director of Weight Loss Surgery Kent. He is a highly trained and experienced Consultant Bariatric and General Surgeon.