As 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 mass, endurance, golfing ability and physical work schedule have all improved greatly. I did not think I would gain so much muscle mass as I...