What are the forces that cause us to continue eating when we know we should stop?  Why has the quality of food that most Americans eat, deteriorated even while more and more healthy choices are available? Why are our children experiencing an epidemic of obesity, and what role does the food industry play in this?

And why, when controlling healthcare costs is supposedly  job one, we allow the epidemic of obesity in America to account for no less than 10% of all of our health care costs?

Is the fault in our food our in ourselves? Dr. Robert Lustig, whose work has focused on the effects of sugar on the central nervous system, shows what's really going on with the food choices we make, in Fat Chance: Beating the Odds Against Sugar, Processed Food, Obesity, and Disease.

My conversation with Dr. Robert Lustig: