Asthma is one of the most common chronic diseases in Canada, yet it’s often misdiagnosed or underdiagnosed. Dr. Shawn Aaron, a respirologist at the Ottawa Hospital, talks about the causes and symptoms of asthma and the best way to diagnose it. For transcripts of this series, please visit: https://www.cbc.ca/radio/podcastnews/the-dose-transcripts-listen-1.6732281