Don't eat anything your great-grandmother wouldn't recognize as food.

Half of all broccoli grown commercially in America today is a single variety- Marathon- notable for it's high yield. The overwhelming majority of the chickens raised for meat in America are the same hybrid, the Cornish cross; more than 99 percent of turkeys are the Broad-Breasted Whites.

Okinawa, one of the longest-lived and healthiest populations in the world, practice a principle they call hara hachi bu: Eat until you are 80 percent full.

...Only the big food manufacturers have the wherewithal to secure FDA-approved health claims for their products and then trumpet them to the world. Generally, it is the products of modern food science that make the boldest health claims, and these are often founded on incomplete and often bad science.

When you're cooking with food as alive as this -- these gorgeous and semigorgeous fruits and leaves and flesh -- you're in no danger of mistaking it for a commodity, or a fuel, or a collection of chemical nutrients. No, in the eye of the cook or the gardener ... this food reveals itself for what it is: no mere thing but a web of relationships among a great many living beings, some of them human, some not, but each of them dependent on each other, and all of them ultimately rooted in soil and nourished by sunlight.

I try very hard to tell stories and not lecture. I try to approach things as an amateur and not an expert, so that when I'm doing something, I'm starting out in a place a lot like where my readers start out - which is to say, naïve.

Not everyone can afford to eat well in America, which is a literal shame, but most of us can: Americans spend less than 10 percent of their income on food, less than the citizens of any other nation.