For several decades now, medical researchers have been conducting experiments to determine what interventions, if any, can extend healthy lifespan in humans. Thanks to improvements in the treatment of infectious diseases and other health measures, we are living longer today than our grandparents did, on average. For example, I have already outlived my father, as well as one of my grandfathers.  (I’m now working on outliving that other grandfather.)   Diseases can be cured and prevented, but the frailty brought on by aging will eventually catch up with everyone, making it increasingly hard to survive. Something will come along that you cannot cope with, and that will be it for you. If the aging process can be slowed down, and robust good health extended, more high quality life can be lived. Continue reading →