Ad blocker interference detected!
Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers
Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.
An Irish doctor, William Brooke O'Shaughnessy, was held mainly responsible for showing his Western colleagues about the healing properties of marijuana. He was an herb professor at the Medical College of Calcutta, and conducted a marijuana experiment in the 1830s.