NEW RELEASE! PHILLY'S FIT-STEP WALKING DIET A Philly doctor’s patients have been following the Fit-Step® Diet for over a d...ecade with successful and permanent weight loss and fitness. The method is easy to follow, affordable and sustainable: a realistic option for all who seek to improve their health and fitness. Fred A. Stutman, M.D., known as Dr. Walk®, presents a walking and strength...