I just read a very thought-provoking article and I invite you to do the same.  Though I can't say that I encourage just anyone to run out and try psychotropic plants.  Egoic attachment to "reality" does not surrender easily.  Like the article says: you monkeys only think you're running things.

The intro paragraph:
Over the last few decades Ayahuasca has become one of the most thoroughly studied of the traditional shamanic plant hallucinogens. In his excellent and most important article, famous ethnopharmacologist Dennis J. McKenna, Ph.D., comes to the conclusion that Ayahuasca has the same message for us now that it has always had, since the beginning of its symbiotic relationship with humanity. And finally rises the crucial question: Are we willing to listen?