In THE FRICTION FACTOR: The Busy Person’s Guide to Sustainable Diet and Exercise, Tyler Martin provides a philosophy and framework for fitness that fits into even the most hectic life—and can be followed for a lifetime. A former competitive wrestler and coach, Martin realized that staying fit would be a significant challenge after he retired from athletics and embarked on a demanding career in marketing and business. In 2010, he began the serious endeavor of trying to select and implement the most effective and sustainable fitness practices. Tyler visists with Mark Alyn on this editon of Late Night Health.