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Most researchers are focused on the negative impact of stress on the body and how to cope with its effects. But could there be any benefit to this pervasive part of the everyday American experience?  


Bruce Rabin: Neuroimmunologist, pathologist, and psychiatrist at the University of Pittsburgh School of Medicine.
Dean Ornish: Founder and president of the nonprofit Preventive Medicine Research Institute. He is clinical professor of medicine at the University of California, San Francisco.