Michael's Hospital, an associate professor of family medicine and public health at the University of Toronto, and a scientist at the Li Ka Shing Knowledge Institute. Evans curates resources and information for a range of common conditions on docmikevans.com and runs a different kind of health lab that fuses filmmakers and illustrators with clinicians and best evidence. His video, 23 and ½ hours, has been seen by over four million people and his Medical School for the Public on YouTube has been viewed by over nine million. Follow him on Twitter @docmikeevans