'The use of hallucinogens can be traced back to pre-historic time, when the aboriginal people utilized plants & hallucinogens as an integral part of their healing practices, to get access to the mind, to facilitate social bonding (...). It was an integral part of their lives. Psychedelic experience. In such a climate, the new scientists are careful to remain in step with the drug regulators. They use pure drugs, in controlled doses.'