NOVA investigates the story of cannabis from the criminalization that has disproportionately harmed communities of color to the latest medical understanding of the plant.

We've used cannabis for tens of thousands of years. Not just to get high but also to make textiles, paper, medicine and much more.

I discuss the potential benefits of medical cannabis for MS patients, such as reducing spasticity, relieving pain, and improving sleep. I also addresses common concerns and misconceptions about medical cannabis, including its safety and potential side effects.