We've gotten good interventions for a lot of things that will kill you that aren't old age. But if you've already managed to live to 90, your further life expec

We've gotten good interventions for a lot of things that will kill you that aren't old age. But if you've already managed to live to 90, your further life expectancy might not be much better today than it would have been in Ancient Greece. See http://gravityandlevity.wordpress.com/2009/07/08/your-body-wasnt-built-to-last-a-lesson-from-human-mortality-rates/ http://gravityandlevity.wordpress.com/2009/07/08/your-body-w... for how bad things get when you age. Some kind of medical intervention that targeted the actual senescence mechanism instead of just the other problems it causes would be an actual game-changer, and I don't see how we could get living past 100 to be very probable without coming up with one.