Tim Ferriss, author of "The 4-Hour Workweek" and ... whether through a ketogenic diet for instance or jump-starting ketosis and staying in ketosis through fasting, some people believe that ...

Tim Ferriss, the author of "The 4-Hour Workweek" and "Tribe of Mentors," used to be skeptical of and completely avoid meditation. Now he's a firm believer in it. The following is a transcript of ...