Toronto and Hamilton are experiencing outbreaks of Legionnaires' disease, a serious type of pneumonia caused by Legionella bacteria. Infectious diseases physician Dr. Isaac Bogoch says it spreads through natural, as well as artificial water systems, like cooling towers, hot tubs, and plumbing, so it's important that buildings are up to code.

For transcripts of The Dose, please visit: lnk.to/dose-transcripts. Transcripts of each episode will be made available by the next workday. For more episodes of this podcast, click this link.

Three people have died after a hantavirus outbreak on a cruise ship, and several others are seriously ill. While hantaviruses are typically carried by rodents and rarely infect humans, health officials are investigating the cases. Infectious diseases specialist Dr. Zain Chagla explains what you need to know about hantavirus and how to avoid infection.

For transcripts of The Dose, please visit: lnk.to/dose-transcripts. Transcripts of each episode will be made available by the next workday. For more episodes of this podcast, click this link.

Psychedelics are a hot topic, and a drug called ibogaine is receiving attention after a recent shoutout from U.S. President Donald Trump. University of Calgary psychedelics researcher Leah Mayo explains what ibogaine is, and why limited high-quality research has her hesitant to recommend it.

For transcripts of The Dose, please visit: lnk.to/dose-transcripts. Transcripts of each episode will be made available by the next workday. For more episodes of this podcast, click this link.