Polly de Mille, exercise physiologist, discusses my VO2 max test results and how to incorporate them in to zone training. She discusses what about a fat adapted diet is ideal for distance runners, how to prevent injuries, and how exercise is the best medicine you can take. Serena Marie, RD, talks about the female triad and how "calories in, calories out" is just not a good idea. Stephen Brown talks about his new book, Relentless Mettle - My Cancer, My Rules.