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Volunteer Greg Ruegsegger is outfitted with monitors, a catheter threaded into a vein and a mask to capture his breath in an experiment run by Joyner to measure human performance. Richard Harris/NPR hide caption

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Richard Harris/NPR

Will Gathering Vast Troves of Information Really Lead To Better Health?

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Physical therapy as well as cognitive therapy are part of a promising approach to managing chronic pain without drugs. Hero Images/Getty Images hide caption

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Hero Images/Getty Images