Patients who have back surgery, a procedure that can cause severe pain for weeks, may have a new relief option beyond narcotics: meditation. In a study at Mount Sinai Hospital in New York City, a neurosurgeon has teamed up with a geriatrician who leads meditation classes to test whether the technique can lessen pain in spine-surgery patients and reduce the need for opioid painkillers, which can be highly addictive. The randomized trial trains patients in…