Dr. Jon Hallberg answers health questions MPR's medical analyst Dr. Jon Hallberg answers your questions about medical issues in the news. He sorts out the confusing reports about cancer screenings, the causes of infectious and chronic diseases, immunizations and more.11:00 a.m.
Dr. Jon Hallberg: Family medicine physician. Medical director, University of Minnesota Mill City Clinic. Assistant professor, University of Minnesota Medical School. Regular medical analyst on Minnesota Public Radio.