Watch Caroline Ménard explain the effects of stress on the brain with Mathieu Dugal and Martine Isabelle, director of education at the Armand-Frappier museum on savoir.media.  In this video, professor Ménard explains the results of her research on the permability of the blood-brain barrier, with a demonstration by experimental simulation.  Watch this clip, starting at minute 16 in the link below (in French only).

https://savoir.media/clip/les-races-est-ce-que-ca-existe