New Major Study Questions the Power of Prayer
July 18 2006
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The Study of the Therapeutic Effects of Intercessory Prayer (STEP) -- the most thorough study on prayer to date -- measured the impact of prayer for the well-being of another and found no evidence that prayer is beneficial.
The study, conducted by a team of doctors, clergy and a psychologist from six institutions, including Harvard Medical School and the Mayo Clinic, involved 1,800 patients having heart-bypass surgery.
Church groups began praying for one set of the patients two weeks before the procedure. About 70 people prayed for each patient in the group, whom they did not know personally. There was no difference in survival or complication rates for those who received prayer as compared to those who did not.
Impersonal Prayer
Interestingly, a subgroup of patients who knew they were being prayed for had a 7 percent higher rate of postsurgical heart arrhythmias than those who did not. The researchers suggested that anxiety that arose from knowing about the prayer, and thinking they were sick enough to need the prayer, may have been responsible for the effect.
Meanwhile, the study's authors suggested that the study had a potential flaw: a lack of community. The prayer in this study was impersonal, but no plans have been made to conduct a follow-up study to determine whether prayer from friends and family would have a different effect.