
Heroin
is a highly addictive drug, and its use is a serious
problem in America. Current estimates suggest that nearly
600,000 people need treatment for heroin addiction. Recent
studies suggest a shift from injecting heroin to snorting
or smoking because of increased purity and the
misconception that these forms of use will not lead to
addiction.
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Heroin
is processed from morphine, a naturally occurring
substance extracted from the seed pod of the Asian
poppy plant. Heroin usually appears as a white or
brown powder. Street names associated with heroin
include "smack," "H," "skag,"
and "junk." Other names may refer to
types of heroin produced in a specific
geographical area, such as "Mexican black
tar." |
Health
Hazards
Heroin
abuse is associated with serious health conditions,
including fatal overdose, spontaneous abortion, collapsed
veins, and infectious diseases, including HIV/AIDS and
hepatitis.
The
short-term effects of heroin abuse appear soon after a
single dose and disappear in a few hours. After an
injection of heroin, the user reports feeling a surge of
euphoria ("rush") accompanied by a warm flushing
of the skin, a dry mouth, and heavy extremities. Following
this initial euphoria, the user goes "on the
nod," an alternately wakeful and drowsy state. Mental
functioning becomes clouded due to the depression of the
central nervous system.
Long-term
effects of heroin appear after repeated use for some
period of time. Chronic users may develop collapsed veins,
infection of the heart lining and valves, abscesses,
cellulitis, and liver disease. Pulmonary complications,
including various types of pneumonia, may result from the
poor health condition of the abuser, as well as from
heroins depressing effects on respiration.
In
addition to the effects of the drug itself, street heroin
may have additives that do not readily dissolve and result
in clogging the blood vessels that lead to the lungs,
liver, kidneys, or brain. This can cause infection or even
death of small patches of cells in vital organs.
Reports
from SAMHSAs 1995 Drug Abuse Warning Network (DAWN),
which collects data on drug-related hospital emergency
room episodes and drug-related deaths from 21 metropolitan
areas, rank heroin second as the most frequently mentioned
drug in overall drug-related deaths. From 1990 through
1995, the number of heroin-related episodes doubled.
Between 1994 and 1995, there was a 19 percent increase in
heroin-related emergency department episodes.
Tolerance,
Addiction, and Withdrawal
With
regular heroin use, tolerance develops. This means the
abuser must use more heroin to achieve the same intensity
or effect. As higher doses are used over time, physical
dependence and addiction develop. With physical
dependence, the body has adapted to the presence of the
drug and withdrawal symptoms may occur if use is reduced
or stopped.
Withdrawal,
which in regular abusers may occur as early as a few hours
after the last administration, produces drug craving,
restlessness, muscle and bone pain, insomnia, diarrhea and
vomiting, cold flashes with goose bumps ("cold
turkey"), kicking movements ("kicking the
habit"), and other symptoms. Major withdrawal
symptoms peak between 48 and 72 hours after the last dose
and subside after about a week. Sudden withdrawal by
heavily dependent users who are in poor health is
occasionally fatal, although heroin withdrawal is
considered much less dangerous than alcohol or barbiturate
withdrawal.
Extent
of Use
Monitoring
the Future Study (MTF)
According
to the 1997 MTF, an annual survey of drug use among 8th-,
10th-, and 12th- graders, rates of heroin use remained
relatively stable and low since the late 1970s. After
1991, however, use began to rise among 10th- and 12th-
graders, and after 1993, among 8th- graders. In 1997,
prevalence of heroin use was comparable for all three
grade levels. Although the annual prevalence rates for
heroin use remained relatively low in 1997, these rates
are approximately two to three times higher than those
reported in 1991.
Heroin
Use by Students, 1997:
Monitoring the Future Study
| |
8th-Graders |
10th-Graders |
12th-Graders |
| Ever
Used |
2.1% |
2.1% |
2.1% |
| Used
in Past Year |
1.3 |
1.4 |
1.2 |
| Used
in Past Month |
0.6 |
0.6 |
0.5 |
Community
Epidemiology Work Group (CEWG)
In
December 1996, CEWG reported that the availability of
low-priced, high-quality heroin continues to increase,
especially in the East and some areas of the Midwest. This
increase has also been reported in some cities that
previously had escaped the influx of high-quality heroin.
Quantitative
indicators and field reports continue to suggest an
increasing incidence of new users (snorters) in the
younger age groups, often among women. One concern is that
young heroin snorters may shift to needle injecting,
because of increased tolerance, nasal soreness, or
declining or unreliable purity. Injection use would place
them at increased risk of contracting HIV/AIDS.
In
some areas, such as Boston and San Francisco, the recent
initiates increasingly include members of the middle
class. In Newark, heroin users are usually found in
suburban populations.
National
Household Survey on Drug Abuse (NHSDA)
The
1996 NHSDA shows a significant increase from 1993 in the
estimated number of current (once in the past month)
heroin users. The estimates have risen from 68,000 in 1993
to 216,000 in 1996.
Among
individuals who had ever used heroin in their lives, the
proportion who had ever smoked, sniffed, or snorted heroin
increased from 55 percent in 1994 to 82 percent in 1996.
During the same period, the proportion of users who
injected heroin remained about the same, at about 50
percent.
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