Comprehensive Drug Abuse Control Act
of 1970 (also called the Controlled
Substance Act) provides guidelines
for classifying drugs. The act creates
five categories, or schedules, for
drugs. The categories define the
likelihood of misuse of a drug and the
risk associated with that misuse. For
example, drugs in Schedule I have no
approved medical uses and high
potentials for abuse .by individuals.
Some of the best-known Schedule I
drugs are marijuana, heroin, and LSD.
At the present time, though, there is
an active debate about possible
medical uses for marijuana. In 1997,
two states-Arizona and
California-adopted laws that permit
the use of marijuana for certain
specific medical purposes.
Overview of Drug Testing