This is also the philosophy area which, as Wiki puts it, is;
the study of general and fundamental problems, such as those connected with reality, existence, knowledge, values, reason, mind, and language. Philosophy is distinguished from other ways of addressing such problems by its critical, generally systematic approach and its reliance on rational argument.
Furthermore the op asked if we thought prayer worked. She was clearly fielding general opinions.
What HIH said. This board is not restricted to those who believe in some or other imaginary being, and the OP asked an open question. I don't go on threads discussing points of doctrine or whatever, but general threads are open to all.
Totally agree Expat, and thank you. I know how hard the last year must have been for you after the death of your beautiful daughter - and how it throws so much into sharp relief and changes your perspective for ever.