Last year, according to The Institute of Medicine, Americans spent in excess of $33 billion on weight-loss products and services. However, the economic cost of obesity in the USA was about $117 billion during this same time period. Obviously a dilemma exists. Why? If all we needed to do was take a magic pill, exercise 10 minutes a day, or eliminate carbs from our diet, as so many "Get-Thin-Quick" schemes suggest, then why are so many of us still vastly...