Eat food. Don't eat anything your great-great-grandmother wouldn't recognize as food.
"It's one way to distinguish between the food and foodlike substances. If [your great-great-grandmother] picked up a pack of portable yogurt tubes, would she recognize this? I don't think she would," Pollan told "Nightline's" John Donvan.
Avoid even those food products that come bearing health claims.
Especially avoid food products containing ingredients that are (a) unfamiliar, (b) unpronounceable,...Full Story