Forever Fit and FirmAs a practicing physician for over 30 years, I have been absolutely amazed by the vigorous, energetic, and positive behavior of my senior patients who have adopted the type of lifestyle described in Darvis book. I spot them as they walk through the door! Personally, I have tried to follow the program with varying degrees of success. However, Darvis always has an encouraging positive attitude. I am old is not in his lexicon. Consequently, my muscle