The number of diets out there can be dizzying. What should you really be eating? Dr. David Katz and coauthor Mark Bittman seek to provide that answer in their new book, How to Eat: All Your Food and Diet Questions Answered. In the book, the duo shares their clear, no-nonsense perspective on food and diet, answering questions covering everything from basic nutrients to superfoods to fad diets. Listen as Dr. Katz joins Dr. Roizen to discuss insights from the book and some of the “hot button” foods that are constantly in debate.