Drug abuse can cause a wide variety of
adverse physical reactions. Long-term drug use may {{U}}(67) {{/U}} the
heart, liver, and brain. Drug abusers may suffer from {{U}}(68) {{/U}}
if they habitually forget to eat, {{U}}(69) {{/U}} afford to buy food,
or eat foods {{U}}(70) {{/U}} the proper vitamins and minerals.
Individuals who abuse injectable drugs risk {{U}}(71) {{/U}} infections
such as hepatitis and HIV from dirty needles or needles shared with other
{{U}}(72) {{/U}} abusers. One of the most dangerous effects of
{{U}}(73) {{/U}} drug use is the potential for overdosing --
{{U}}(74) {{/U}} is, taking too large or too strong a dose for the
body's systems to handle. A drug overdose may cause an individual to lose
{{U}}(75) {{/U}} and to breathe inadequately. Without treatment, an
individual may die {{U}}(76) {{/U}} a drug overdose.
Drug {{U}}(77) {{/U}} is marked by an irresistible thirst
{{U}}(78) {{/U}} a substance. Successful treatment methods vary and
include psychological counseling, or psychotherapy, and detoxification programs-
medically supervised programs that {{U}}(79) {{/U}} wean (戒除) an
individual from a drug {{U}}(80) {{/U}} a period of days or weeks.
Detoxification and psychotherapy are often used together. The
illegal use of drugs was once considered a problem {{U}}(81) {{/U}} to
residents of poor, urban neighborhoods. Today, however, people from all
{{U}}(82) {{/U}} levels, in both cities and suburbs, abuse drugs. Some
people use drugs to {{U}}(83) {{/U}} stress and to forget about their
problems. Genetic factors may predispose {{U}}(84) {{/U}} individuals to
drug addiction. {{U}}(85) {{/U}} factors such as peer pressure,
especially in {{U}}(86) {{/U}} people, and the availability of
drugs, also influence people to abuse drugs.