A Dutch professor, JohanHuizinga, in the 'Thirties commented that humans might better have been called Homo Ludens than Homo Sapien. Homo Sapien means thinking man. while Homo Lundens names our species playful man.

Almost all of you have gotten "high." You might call it "getting stoned" or "tripping" or "having a session" or "going on vision quest" or "partying" but the urge to switch channels and move to another and less usual state of consciousness is as old as our species itself. Actually the quest for intoxication is even older!

Siegel proposes that after food, drink and sex, "Intoxication is the fourth drive." He demonstrates through zoological and sociological evidence, that the urge to get high is among the most basic of motivations.

Human beings it seems, are born with the need for periodic variations in consciousness.

The attractiveness of drugs is that they provide an easy quick route to these experiences.