Prayer seems to employ the "Kissing a boo boo" effect.Interestingly, Gertrude Schmeidler once ran a series of ESP experiments that seemed to indicate that open-minded believers in the supernatural scored better than skeptics, as if the unbelievers were digging themselves into a hole of disbelief..
No wonder Prof Schmeidler said -"This was inexplicable by the physical laws we knew, it implied unexplored processes in the universe, an exciting new field for research. From then on, naturally, my primary research interest was parapsychology"
Gertrude Schmeidler
How one feels about something affects the prognosis.