The Tastemakers

Tastemaker, n. Anyone with the power to make you eat quinoa.

Kale. Spicy sriracha sauce. Honeycrisp apples. Cupcakes. These days, it seems we are constantly discovering a new food that will make us healthier, happier, or even somehow cooler. Chia seeds, after a brief life as a novelty houseplant and I Love the ’80s punchline, are suddenly a superfood. Not long ago, that same distinction was held by pomegranate seeds, açai berries, and the fermented drink known as kombucha. So what happened? Did these foods suddenly cease to be healthy a few years ago? 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…