Saturday's balmy weather presented a conundrum: walk or run? And which would make my marriage stronger?
Experience Life caught up with Team USA Nordic skiers Kikkan Randall and Jessie Diggins during a training session in Park City, Utah. Hear why they're excited about preparing for Sochi in our exclusive behind-the-scenes video.
Discover why a blend of both high- and low-intensity exercise is the best system of cardiovascular training.