I forget where I’ve read it (I feel like slatestarcodex or gwern or one of those folks) but basically our bodies are constantly fighting megaloviruses (various

I forget where I’ve read it (I feel like slatestarcodex or gwern or one of those folks) but basically our bodies are constantly fighting megaloviruses (various forms of herpes) and we’d inevitably lose the battle if we lived to 120 or so.