Cheryl Hirsch, Mackie Shilstone and

Mackie Shilstone is one of the nations leading fitness, performance, and lifestyle consultants. He currently directs The Fitness Principle with Mackie Shilstone at East Jefferson General Hospital in Louisiana. He has appeared on Good Morning America and 20/20, and been featured in The New York Times and Sports Illustrated. He is the author of five previous books on health and fitness.;