www.sciencefriday.com How much do we really know about how our bodies react to the food we eat? Conventional medical wisdom says that eating foods high in cholesterol is bad for you, and has links to the development of heart disease. In a new book, “Good Calories, Bad Calories,” science writer Gary Taubes suggests that perhaps the emphasis on dietary fat and cholesterol is misplaced, and other factors, such as carbohydrate consumption, should be targeted instead. Join Ira in this segment for a conversation with Taubes about his book, and how it fits into the nutritional big picture. Guests Gary Taubes Author, “Good Calories, Bad Calories: Challenging the Conventional Wisdom on Diet, Weight Control, and Disease” (Knopf, 2007) Contributing Correspondent Science Magazine New York, New York Ronald Krauss Senior Scientist Director, Atherosclerosis Research Children’s Hospital Oakland Research Institute Oakland, California

Author, GOOD CALORIES, BAD CALORIES: Challenging the Conventional Wisdom on Diet, Weight Control and Disease Are you eating less but not losing weight? Join the crowd. Gary Taubes, award-winning journalist for SCIENCE MAGAZINE, presents convincing evidence debunking this notion. He flies in the face of 50 years of nutritional theory regarding weight loss. In his book, GOOD CALORIES, BAD CALORIES, he argues persuasively that the solution to avoiding getting fat is not the number of calories eaten, but the kind. Should you doubt his hypothesis , look around at the escalating obesity epidemic. But find out for yourself. Listen to him on Getting Your Money’s Worth with Judith West.

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Gary Taubes, author of “Good Calories, Bad Calories,” responds to a question about the relevance of cholesterol testing and cholesterol’s role in heart disease