What is it like to be high on marijuana? Can a cannabis high help to remember long gone events, to fuel your imagination, to work creatively, to come to introspective and other insights, to empathically understand others, and to personally grow? How much did cannabis inspire outstanding thinkers, artists and musicians like Charles Baudelaire, Rudyard Kipling, Walter Benjamin, Billie Holiday, Diego Rivera, John Lennon, Carl Sagan, Hal Ashby, and so many others? And how much did the marijuana high positively transfom our society? "What Hashish Did To Walter Benjamin - Mind-Altering Essays on Cannabis" is a collection of 20 groundbreaking neurophilosophically inspired essays on the astounding positive potential of the cannabis high. The essays summarize more than ten years of Marincolos research and are written for a wide audience. This deep new exploration of the marijuana high as an altered state of consiousness addresses educated marijuana users and their relatives, medical cannabis professionals and patients, as well as neuroscientists, psychologists, and philosophers interested in the subject of altered states of consciousness.