Be the kind of person who takes supplements - then skip the supplements.

The whole problem of industrial agriculture is putting all of your eggs in one basket. We need to diversify our food chains as well as our fields so that when some of them fail, we can still eat.

Eat only until you're 4/5 full. An ancient Japanese injunction.

There are things we know and things we don't know about food. But there are certain basic things we do know, and that's what I've tried to build these rules on.

Rule No. 12: shop the peripheries of the supermarket and stay out of the middle.

There's a schizoid quality to our relationship with animals, in which sentiment and brutality exist side by side. Half the dogs in America will receive Christmas presents this year, yet few of us pause to consider the miserable life of the pig - an animal easily as intelligent as a dog - that becomes the Christmas ham.

If you're going to change the food system, there is a lot that you, the consumer, can do on your own; but in the end, it will be very important to make changes at the national level.