Candy_Gunther_BrownBLOOMINGTON, Ind. -- Four in five Americans believe in the healing power of prayer, according to surveys, and even a majority of medical doctors say that miraculous healing sometimes occurs.

Yet when it comes to subjecting such claims to scientific investigation, little has been done. Believers say it's wrong to reduce God's power to something that can be tested in a laboratory. Skeptics say it demeans science to study claims of phenomena with no rational explanation.

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