If that's what everyone wishes, so be it – but it should be in writing, and discussed with your friends and family, regardless of if you wish gung ho end-of-life treatment or simple palliative care.

Get it in writing. Make your wishes known while you are still able to do so.

And regarding [2], some states do have some modern forms of "debtors prison" [2a], at least for fines imposed through the legal system, although are not as overarching as debtors prisons were leading into the modern age.

[2a] http://en.wikipedia.org/wiki/Debtors%27_prison#Modern_debtor...