Part one of term paper
While many drugs speed up or depress the central nervous system, there is a class of drugs that distorts how we feel, hear, see, smell, taste, and think. Called s because users often hallucinate, or experience nonexistent sensations, these drugs are also known as psychedelic, or mind-bending, drugs. Some hallucinogens come from natural source ...

Part two of term paper
... of mushrooms. Once ingested, psilocybin is converted to psilocin, which is responsible for the drug's hallucinogenic sensations. DMT (dimethyltryptamine) is a short-acting hallucinogen found in the seeds of certain West Indian and South American plants. In the form of snuff, called cohoba, it has been used in religious ceremonies in Haiti. Marijuana is a plant belonging to the hemp family . The active principle responsible for the drug's effects is tetrahydrocannabinol (THC), obtained from the ...