VCH Clinical Title(s) Physics and Astronomy Research Focus Brain Diagnostic Imaging Dementia Contact Info vesna@physics.ubc.ca 822-7710 Research Studies Parkinson's DiseaseThe Effect of Exercise on Brain Energetics in Parkinson’s disease News and Awards Ask an expert: I know that X-rays and CT scans emit radiation. Should I be worried about getting multiple scans? Jun 17, 2021