Each of the participants eat the diet of the other. At the end of the experiment, they have a better idea of how extreme their consumption looks to another person. Every episode I saw had the participants sharing an experience that gave them empathy for other that usually didn't exist before. At the follow-up after the end of the experiment, they were true friends who relied on each other for encouragement. I can think of only one show where a participant had gained weight. All of the others were successful in following their program.
Did You Know?
In the UK diabetes is already the most common cause of non traumatic amputation, and the annual cost of diabetes related amputation stands at a staggering 120 million pounds. If Britain's waistlines continue to grow and cases of Type 2 diabetes continue to rise, the problem is only going to get worse.