tuatara wrote:
Ignorance, especially the wilfull type, is the biggest danger. Knowledge about these subjects is constantly improving, sometimes voiding what we thought we knew, and being 78 is no excuse for not trying to keep up.
At my age, I don't worry too much about all the doomsayers. I try to live responsibly and I try to enjoy it, but I don't stay awake nights fretting about it all. I'm really not as nervous as my name might imply.