By Richard Horgan Los Angeles (Knewz) — Sometimes, it’s not so much new research evidence that is required as a thorough review of what’s already out there. Such is the case for “Spirituality In Serious Illness And Health,” for which Harvard researchers combed through all available and relevant papers published between January 2000 and April 2022. Out of 8,946 research article, 371 met the study criteria. “This study represents the most rigorous and comprehensive systematic analysis of the modern-day literature regarding health and spirituality to date,” said Tracy Balboni, lead author and pro…