The innovative guide that reveals how eating more fat--the smart kind--is the key to health, longevity, and permanent weight loss.

For years experts have told us that eating fat is bad. But by banning fat from our diets, we've deprived ourselves of considerable health benefits--and have actually sabotaged our own efforts to lose weight.

Though they originally came from vastly different schools of thought about diet and weight loss, renowned nutritionist Jonny Bowden and well-respected physician Steven Masley independently came to the same conclusion about why so many people...