Season 12 · Episode 24 of 26
Aired Aug 11, 1975
Cannabis
Mon, Aug 11, 1975
Streaming on PBS
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Horizon takes a look at the history of cannabis and the research on the effects of smoking marijuana.
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Airs
Mon, Aug 11, 1975
Show
Horizon
1174 episodes
Episode
S12 · E24
in Horizon