Harold G. Koenig is a psychiatrist on the faculty of Duke University. His ideas have been covered in Newsweek and other news media with regard to religion, spirituality and health, a focus of some of his research and clinical practice... (wikipedia)
Many, many people pray. Many people would like to know if their prayers are being heard.
New Light on Depression: Help, Hope, and Answers for the Depressed and Those Who Love Them
We thought it was a good way to honor my father's service, ... And this is really important because we are losing so many.
What that study finds will help tell us which way to go -- whether there are intriguing findings or the book ought to be closed on this topic.
They're not claiming they are identifying how this occurred; they're just saying maybe we should take a closer look.