Greek yogurt. Spicy chipotle mayo. Honeycrisp apples. The Cronut. These days, it seems we are constantly discovering a new food that will make us healthier, happier, or even somehow smarter. After a brief life as a novelty houseplant and "I Love the '80s" punchline, chia seeds are suddenly a superfood. Speaking of which, what ever happened to pomegranate juice? Or acai berries? Did they suddenly cease to be healthy in 2010? And by the way, what exactly is a superfood again? In this eye-opening, witty work of reportage, David Sax uncovers the world of food trends: where they come from, how they grow, and where they end up. From the test labs at Dole foods to the food truck lobby to the 20 seconds of Sex and the City that forever changed the fate of the cupcake, Sax reveals the money and influence behind what you eat for breakfast. In sections on how food trends are created, what makes them explode, and why they matter, Sax travels in search of the farmers,...