Michael Mosley and Ray Kelly try to help eight Australians to reverse their type 2 diabetes with a low-calorie diet and lifestyle changes.

Dr Michael Mosley is diagnosed with type 2 diabetes and is determined to change it with diet, not drugs. He encourages other Australians to do the same.

Michael Mosley and Ray Kelly bring their health revolution to the ACT; the participants explore their progress during the halfway mark of their journey.