Glenn Reynolds ends his series of Tech Central Station articles on healthy life extension today with a look at retirement. "Logically, retirement should be put off until people are medically old, or perhaps just replaced with disability, and those who are able to work should do so, while those desirous of not working should save up as for a long vacation." He feels that increased longevity will provide a way out for societies locked into social security pyramid schemes. This is assuming rational behavior on the part of those in power and those voting themselves money from the public purse, however. Fixed retirement age is a fairly recent (and frankly pretty dumb) concept: the sooner it goes away, the better.