b'Humanity just can\\u2019t make up its mind about cannabis. For thousands of years, humans have used the stuff as medicine or to travel on spiritual quests. That, though, didn\\u2019t quite suit the British, who banned cannabis in colonial India. Then in the 20th century, the United States government declared war on marijuana, and most of the world followed suit.\\nLearn more about your ad choices. Visit podcastchoices.com/adchoices'