Perceptions cocaine
drug
marijuana
five
Spectrophoto-
metry
marquis
narcotics
alkaloid
controlled
purple
spot
Hemlock
chromotography
unknown
designer
physiologically
Þuquencis-
Levine
nervous
cyanide
hallucinogens
confirmatory
Asia
caffeine
Socrates
toxicology
brown
presumptive
Mathieu Orfilia
Poisons
chronic
odorless
cannibis
ricin
acute
Carbon
monoxide
1. A
is any natural or synthetic substance designed to affect humans
(or other animals) psychologically or
2. Drugs that are considered Controlled substances are listed in
a part of the Federal Code called the Controlled Substances Act.
categories of controlled drugs, as defined by the Controlled
3. There are
Substances Act.
4.
change normal thought processes,
are mostly naturally occurring substances that can
and moods.