Horizon - Season 46 Episode 2
Cannabis is the world's favourite drug, but also one of the least understood. Can cannabis cause schizophrenia? Is it addictive? Can it lead you on to harder drugs? Or is it simply a herb, an undervalued medicine? Addiction specialist Dr John Marsden discovers that modern science is finally beginning to find answers to these questions. John traces the cannabis plants' birthplace in Kazakhstan; finds the origins of our sensitivity to cannabis in the simple sea squirt; and finds out just what it does to our brains. He meets people who have been changed by this drug in drastically different ways - from those whose lives have been shattered to those who lives have been revived.
First Air Date : 1964-02-04
Last Air date : 2024-07-22
Runtime : 57 minutes
Genre : Documentary
Cast :
Crew :
Quality : 
Subtitles :
- Season 46 : Episode 12009-01-26
- Season 46 : Episode 22009-02-03
- Season 46 : Episode 32009-02-10
- Season 46 : Episode 42009-02-17
- Season 46 : Episode 52009-02-24
- Season 46 : Episode 62009-03-03
- Season 46 : Episode 72009-03-10
- Season 46 : Episode 82009-03-17
- Season 46 : Episode 92009-03-24
- Season 46 : Episode 102009-03-31
- Season 46 : Episode 112009-05-12
- Season 46 : Episode 182009-12-09
