no matter what pson's age, the go of being physally f is portan i rered in '74, and then i started walking up the mountain. exercise is extremely important, i cannot stress enough, for seniors. many of my seniors, the only exercise they get is coming to and from the clinic, and it's unfortunate. stacy: well, i'll be 90 in may. i'lovely, and the views fr the top are wonderf. and to wch the s come up every morning omething. so i just automatically wa up, get dressed and come out. seniors, in particular, need to pick an exercise program that matches their physical abilities. if you have someone who has coronary artery disease, you have them run the marathon, it'll be their last act. if you have someone who has arthritis of the hips, riding a bicycle may just not work. so you have to be very thoughtful in planning exercise that it's not too strenuous, that it's easy to remember, and it's healthy. and that's why walking fits in most of these categories. mirich: in the older population, the parts are starting to wear out. people are starting to get arthritis in their joints, in their back, in th