JFIF,,0Photoshop 3.08BIMPBrian B. BettencourtU ContributorxTORONTO, ON - JULY 29: Toronto Star reporter Joe Hall's brain scan images taken during his visit to the Toronto Western Hospital's MRI room on July 29, 2015. A machine called RespirAct allows the control and monitoring of carbon dioxide levels during a patient's MRI scan. Brian B. Bettencourt / Toronto Star Brian B. Bettencourt/Toronto Star (Brian B. Bettencourt/Toronto Star via Getty Images)IZTorontot2015 Toronto StareCanadadCAN720150728nToronto Star via Getty Imagesi RespirAct 3(Not Released (NR)  Brain ScanMRIToronto WesternHospitalPatient AlzheimersBrainMedicalMedicineDoctorsResearch 484332326s Toronto Star_ONHTHRExifII* (; iD6iD6iDToronto Star reporter Joe Hall's brain scan images taken during his visit to the Toronto Western Hospital's MRI room on July 29, 2015. A machine called RespirAct allows the control and monitoring of carbon dioxide levels during a patient's MRI scan. Brian B. Bettencourt / Toronto StarNIKON CORPORATIONNIKON D800,,Adobe Photoshop CS6 (Macintosh)2015:08:12 18:17:32Brian B. 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