Cannabis Question Extra: Cannabis Reverses Brain Aging in Mice

In this “Cannabis Question” extra, explore how cannabis can reverse the signs of brain aging in mice—and whether it may have the same effect in humans.

In “The Cannabis Question,” NOVA investigates the story of cannabis from the criminalization that has disproportionately harmed communities of color to the latest medical understanding of the plant.

What risks does cannabis pose to the developing brain? How much do we know about its potential medical benefits? As cannabis becomes socially accepted, scientists are exploring its long-term health consequences.


Produced and directed by: Sarah Holt
Editing: Jaro Savol
Sound: Steve Schmidt

Digital Producer: Ari Daniel
Production assistance: Shyla Duff, Christina Monnen

Music: APM

© WGBH Educational Foundation 2021



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