Overview
Horizon takes a look at the history of cannabis and the research on the effects of smoking marijuana.
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12 - 1The Killer Dust January 20, 1975 -
12 - 2A Time to Be Born January 27, 1975 -
12 - 3The Unsafe Sea February 10, 1975
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12 - 4The Change of Life February 17, 1975
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12 - 5Project Fido February 24, 1975
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12 - 6The Planets March 10, 1975
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12 - 7The Long, Long Walkabout April 07, 1975
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12 - 8The Overworked Miracle April 14, 1975
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12 - 9Not the Cheapest, But the Best April 21, 1975
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12 - 10A Spoonful of Roughage April 28, 1975
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12 - 11Brain Poison May 05, 1975
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12 - 12The Bulldog's Last Bark? May 12, 1975
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12 - 13Benjamin May 19, 1975
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12 - 14The McMaster Experiment June 02, 1975
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12 - 15The Glazed Outlook June 09, 1975
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12 - 16The Three Chord Trick June 16, 1975
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12 - 17The Cleanest Place in the World June 23, 1975
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12 - 18Strange Sleep June 30, 1975
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12 - 19The Greatest Advance Since the Wheel? July 07, 1975
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12 - 20How Do You Read? July 14, 1975
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12 - 21The Sickly Sea July 21, 1975
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12 - 22Happy Catastrophe July 28, 1975
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12 - 23To Die, to Live - The Survivors of Hiroshima August 04, 1975
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12 - 24Cannabis August 11, 1975
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12 - 25Meditation and the Mind August 18, 1975
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12 - 26The Trobriand Experiment December 29, 1975
