Psychostimulants and hallucinogenic drugs can change the mechanisms of the brain and the way we interpret information. Methamphetamines, for example, which are powerful stimulants, create a profound feeling of euphoria in the user. It does this by releasing dopamine and other neurotransmitters from vesicles in the brain into the central nervous system, changing the way we process and interpret data. So, as a reductionist would say, how can we perceive a subjective reality close to the actual objective reality, when our perception can be determined by simple chemical reactions in the human brain? Can brain chemistry be controlled? Even without drugs, at any given time, millions of neurons are coordinating in the central nervous system, all with the ability to purge a