When I was in the best shape of my life, my BMI was still over 25, it makes no accomodation for muscle mass and build.
Has anyone studied deaths due to weight loss dieting? My wife developed hypoglycemia after she lost 65 pounds in a year on Weight Watchers. At least one U Penn specialist said it may have been due to the weight loss or the change in diet. Non-Atkins weight loss programs go far too low on fats.