No anesthesia here: A patient watches his colonoscopy as it happens at Memorial Sloan-Kettering Hospital in New York.
Ted Thai/Time & Life Pictures/Getty Image
March 20, 2012 Anesthesia is being used more often for colonoscopies, even if people really don't need it. People in the Northeast are far more likely to be put to sleep, compared to the West Coast, where insurers are less likely to pay.
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