
Drugs
How Drugs Work
How Drugs Work: Cannabis This series uses visual effects and CGI and, for the first time ever, takes the viewer on an entire trip from start to finish inside the human body. With testimony from people who enjoyThis account was written in 1969 for publication in Marihuana Reconsidered (1971). Sagan was in his mid-thirties at that time. He continued to use cannabis for the rest of his life.

