Classification: Depressant, Hallucinogen Slang Names: Dope,
weed, herb, grass, pot, hashish, hash Method of Use: Smoking,
eating, and intravenous injection Dependence Potential:
Psychologically addictive What is Marijuana? Marijuana is the
common name for a crude drug made from the plant Cannabis
Sativa. The main mind-altering (psychoactive) ingredient in
marijuana is THC (delta-9-tetrahydrocannabinol). More than 400
other chemicals also are in the plant. A marijuana cigarette or
"joint" is made from the dried particles of the plant. The
amount of THC in the marijuana determines how strong its
effects. Marijuana available today is as much as ten times more
potent than marijuana used in the early 1970s. What is Hashish?
Hashish is a concentrated form of marijuana made by taking resin
from the leaves and flowers of the marijuana plant and pressing
them into cakes or slabs. Hash is mostly smoked in a pipe rather
than rolled into a cigarette. It is usually stronger than crude
marijuana because it contains five to