And those low-carb gurus, why are they all chubby? About the only one who doesn't look unhealthy is Mark Sisson, but he's had cosmetic surgery and he juices and I'm not talking the veggie kind.
I've researched it a lot and the well majority of people I could determined that failed on high-carb/low-fat diets like 80-10-10 under-ate and simply weren't getting enough calories. It also seemed like a high percentage of these people who failed came from an eating-disorder background of anorexia and bulimia. If someone like that was averaging between 1,200-1,500 calories per day and now are being told to eat AT LEAST 2,500 a day on this diet for a women, that's hard for them to wrap their heads around.