On Sunday Morning Magazine: Doug Setter is a certified fitness instructor–with expertise as a champion kick-boxer, marathon runner and mountain climber. He’s also an author: Flat Gut after 50, and Fit Femme After 50. He recommends using the 5 minute rule to get moving. Anyone can do something for 5 minutes, then you find you can keep going a bit longer. With the holidays upon us and the additional special foods, it’s a perfect time to consider our body and our health.