Drop Dead Healthy : one man's humble quest for bodily perfection by A. J. Jacobs is this intrepid stunt journalist's attempt to be as healthy as possible, based on information from a number of more or less reputable sources. Its humor is balanced by a lot of thoughtful reflection on what health really is, and how to integrate health recommendations in a way that's actually helpful and realistic.
Read on for more stunts (or are they more than just stunts?):