Incidence of Cancer in Patients With Schizophrenia and Their First-Degree Relatives: A Population-Based Study in Sweden.
Context: Previous studies of the association between schizophrenia and cancer have produced conflicting results, probably because of the failure to control for confounding factors. Objective: To test if the possible association between schizophrenia and cancer is genetic by investigating the incidence of cancer in patients with schizophrenia and their relatives. Design: Retrospective cohort stud
