To begin, age is really only a number. I understand that there are physiological explanations of "getting older" that are unavoidable. However, many of these ailments, diseases, and disorders that eventually catch up to us later in life can and have been shown to be slowed down with the aid of exercise. Strength training for older adults is way UNDER-RATED! It should be your mission to put doctors out of business due to good health. The upside to strength training in both men and women are almost overwhelming. Increased bone density, lower blood-pressure, lower cholesterol, joint stability, flexibility, and balance are just a few examples of many that you gain from a proper and effective program design! Would you rather be laid up in some bed, in a wheelchair, or feeling pain all the time? I don't know about you, but I would rather live to 75 years of age feeling like I'm 25, rather living to a 100 feeling like I'm 200 years old. As far as I know we only get one body at birth so we should make the most of it.
With all the problems in the healthcare system today and always worrying about the cost of medicine I think the best solution is to eliminate the need for it. Effective strength training and a personal program design to make you sweat is the answer. You are not going to find the "Fountain of Youth" in a medicine bottle.