Trauma and danger, among other stressors like high workloads, come with being a first responder — but they take a mental toll. CBC News obtained workers’ compensation data that shows, over the past five years, hundreds of first responders in Edmonton have had to step away from duty due to psychological injuries. »»» Subscribe to CBC News to watch more videos: http://bit.ly/1RreYWS Connect with CBC News Online: For breaking news, video, audio and in-depth coverage: http://bit.ly/1Z0m6iX Follow