Gad Saad likes to say that it takes intellectuals to come up with really stupid ideas, ideas that then spread across society like parasites, draining the host organism and making it behave in strange or even self-endangering ways. From identity politics to cancel culture to the emerging COVID-19 ideology – how do seemingly noble ideas go toxic? To discuss this, Oksana is joined by Gad Saad, Professor of Marketing at Concordia University and author of the newly released book The Parasitic Mind: How Infectious Ideas are Killing Common Sense.