In corn, I think I've found the key to the American food chain. If you look at a fast-food meal, a McDonald's meal, virtually all the carbon in it - and what we eat is mostly carbon - comes from corn.
Eat a wide variety of species.
For many of us, eating has surprisingly little to do with hunger. We eat out of boredom, for entertainment, to comfort or reward ourselves. Try to be aware of why you're eating, and ask yourself if you're really hungry - before you eat and then again along the way.
Shop the peripheries of the supermarket; stay out of the middle.
I don't think of myself as a spiritual person.
We spend our lives in front of screens, and cooking is one of the best antidotes.