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General
Cocaine is a
powerfully addictive stimulant that directly
affects the brain. Cocaine was labeled the drug
of the 1980s and '90s, because of its extensive
popularity and use during this period. However,
cocaine is not a new drug. In fact, it is one of
the oldest known drugs. The pure chemical,
cocaine hydrochloride, has been an abused
substance for more than 100 years, and coca
leaves, the source of cocaine, have been
ingested for thousands of years.
Pure cocaine was
first extracted from the leaf of the
Erythroxylon coca
bush, which grows
primarily in Peru and Bolivia, in the mid-19th
century. In the early 1900s, it became the main
stimulant drug used in most of the
tonics/elixirs that were developed to treat a
wide variety of illnesses. Today, cocaine is a
Schedule II drug, meaning that it has high
potential for abuse, but can be administered by
a doctor for legitimate medical uses, such as
local anesthesia for some eye, ear, and throat
surgeries.
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There are
basically two chemical forms of cocaine: the
hydrochloride salt and the "freebase." The
hydrochloride salt, or powdered form of cocaine,
dissolves in water and, when abused, can be
taken intravenously (by vein) or intranasally
(in the nose). Freebase refers to a compound
that has not been neutralized by an acid to make
the hydrochloride salt. The freebase form of
cocaine is smokable.
Cocaine is generally
sold on the street as a fine, white, crystalline
powder, known as "coke," "C," "snow,"
"flake," or "blow." Street dealers
generally
dilute it with such inert substances as
cornstarch, talcum powder, and/or sugar, or with
such active drugs as procaine (a chemically
related local anesthetic) or with such other
stimulants as
amphetamines.
Statistics
Beginning
in 1965, the estimated incidence of cocaine use
rose steadily to its 1983 peak (1.5 million new
users). Subsequently, the number of new users
per year declined steadily until 1992 (0.5
million new users) and then began a steady
increase to 0.9 million new users in
2000.
Age-specific incidence rates generally
have mirrored the overall incidence rate. The
number of new users aged 18 to 25 reached a peak
of 0.9 million in 1983, while the most recent
low point for this group was 0.3 million from
1991 to 1994. Incidence among 12 to 17 year olds
has not varied as greatly over the years, but
peaked in 1980 at 0.3 million new users and
reached a recent low point in 1991 with 90,000
new users. The 2000 estimates of the number of
cocaine initiates and age-specific incidence
rates were slightly larger than their 1999
counterparts, but none of the increases was
statistically significant.
The average age of
cocaine initiates rose from 17.2 years in 1967
to 23.8 years in 1991 and subsequently declined
to approximately 20years from 1997 to
2000.
The annual number of new cocaine users
has generally increased over time. In 1975,
there were 30,000 new users. The number
increased from 300,000 in 1986 to 361,000 in
2000.
Source: U.S. Department of
Health and Human Services. Substance Abuse and
Mental Health Services Administration. (2002,
September 4). Results from the 2001 National
Household Survey on Drug Abuse: Volume I.
Summary of National Findings (Office of Applied
Studies, NHSDA Series H-17 ed.) (BKD461,
SMA 02-3758)Washington, DC: U.S. Government
Printing Office
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