 Both are indeed mysterious, and their genuine mystery needs none of the hype with which this film relentlessly and noisily belabours us", concluding that the film is "tosh".Professor Clive Greated wrote that "thinking on neurology and addiction are covered in some detail but, unfortunately, early references in the film to quantum physics are not followed through, leading to a confused message".Despite his caveats, he recommends that people see the film, stating