Received: 17 April 2019
Revised: 31 May 2019
Accepted: 30 June 2019
First Online: 23 September 2019
Compliance with ethical standards
: KDH has participated in a series of debates with Dr David S. Ludwig, the senior author of the main study in question, regarding the merits and demerits of the carbohydrate-insulin model of obesity as well as the physiological response of the human body to isocaloric diets varying in the ratio of carbohydrates to fat. The other authors declare that they have no conflict of interest.