How Processed Food Took Over the American Meal

We look deep inside the $1-trillion-a-year “processed-food-industrial complex” to examine how decades of food science have resulted in the cheapest, most addictive and most nutritionally inferior food in the world. The vitamins added back to this packaged and fast food — which amounts to 70 percent of calories consumed in the United States — come from nylon, sheep grease and petroleum. We are joined by longtime food reporter Melanie Warner, author of “Pandora’s Lunchbox: How Processed Food Took Over the American Meal.”