Only a small percentage of Americans eat a nutritious diet. A Harvard professor weighs in on his ideas about what we need to do to improve the American diet. Aired Oct. 8, 2010 [18:38]

Author Jo Robinson digs up tips on how to get the most nutrition out of our fruits and vegetables. [22 mins. 47 secs.]

National Public Radio talks with Dr. Walter Willett, Harvard MD and nutritionist, about changes that need to be made in the 1992 US Food Guide Pyramid. Interesting as an introduction to this topic, with links to related stories.

Pollan once advised, "Eat food. Not too much. Mostly plants." Now, he tells us how to cook it.

Science Friday talks with author Michael Pollan about his latest book, "In Defense of Food: An Eater's Manifesto." He suggests that people can improve their eating by following this simple rule: Don't eat anything that your...