NOVA

Why is Researching Cannabis so Hard?

Clip: Season 48 Episode 11 | 3m 39s | Video has closed captioning.

Cannabis is labeled as a Schedule 1 drug—the same category as heroin and LSD—and, despite being legal in many states, is illegal on a federal level.

Aired: 09/29/21

Rating: NR

Problems Playing Video? | Closed Captioning

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