It doesn't matter. The nursing home is now their home, and they're at an age, and state of health, where quiting a life long habit isn't going to do any good. Also, these people have little else to do, so allow them to do what makes them happy, for what little time they have left.
Who said that? "I" didn't say that.
Tsk, tsk, tsk....
50 lashes......... with a wet cigarrette. ;-)