Whilst many eastern cultures, and our own predecessors, naturalised mind-altering drugs, the modern world has rejected and criminalized these very substances. Why? Is the state right to protect us from physical and psychological danger, or is the freedom of the individual paramount? Do drugs encourage us to accept pluralistic realities and thus undermine our security in the world, or simply open the imagination? Are we heading for a mass exodus from reality or opening up our eyes?
Psychologist Susan Blackmore, Daily Mail columnist Peter Hitchens, anthropologist Iain Edgar and philosopher Edward Skidelsky open the doors of perception.