ted sequences. Perception of time, and occasionally of space, is altered. Visual and auditory hallucinations follow the use of large doses. Euphoria, excitement, inner happiness -- often with hilarity and laughter -- are typical. In some cases, a final mood of depression may be experienced. While behavior is sometimes impulsive, violence or aggression is seldom induced.In relatively recent years, the use of Cannabis as an intoxicant has spread widely in Western society -- especially in the United States and Europe -- and has caused apprehension in law-making and law-enforcing circles and has created social and health problems. There is still little, if any, agreement on the magnitude of these problems or on their solution.Opinion appears to be pulled in two directions: that the use of Cannabis is an extreme social, moral, and health danger that must be stamped out, or that it is an innocuous, pleasant pastime that should be legalized. It may be some time before all the truths concerning the use in our times and society of this ancient drug are fully known.Since an understanding of the history and attitudes of peoples who have long used the plant may play a part in furthering our handling of the situation in modern society, it behooves us to consider the role of Cannabis in man's past and to learn what lessons it can teach us: whether to maintain wise restraint in our urbanized, industrialized life or to free it for general use. For it appears that Cannabis may be with us for a long time.A fifteenth-century manuscript of Marco Polo's travels depicts the Persian nobleman Al-Hassan ibn-al-Sabbah, who was known as the Old Man of the Mountain, enjoying the artificial paradise of Hashish eaters.His followers, known as ashishins, consumed large amounts of Cannabis resin to increase their courage as they slaughtered and plundered on behalf of their leader. The words assassin and hashish were derived from the name of this bandThe Cuna Indians of...