People are living longer - no longer because of reduced child mortality, but because we are postponing the ill-health of old age. But we’ve seen nothing yet: regenerative medicine and other new medicines will eventually be so comprehensive that people will stay truly youthful however long they live, which means they may mostly live very long indeed. I will discuss both the biology and the sociology of what will be the most momentous advance in the history of civilisation.

April 11, 2020