The Dukan Diet: 2 Steps to Lose the Weight, 2 Steps to Keep It Off Forever Devised by Dr. Pierre Dukan, a French medical doctor who has spent his career helping people to lose weight, the Dukan Diet rejects counting calories and promises permanent weight loss while allowing adherents to eat as much as they like. Originally published in 2000, the Dukan Diet swept across France, championed by people who successfully lost weight following its uniq…