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Substance Abuse
8th Grade Health
What Is A Drug?
Drug – Is any chemical substance that
causes a change in a person’s physical or
psychological state
Types of Drugs
Medicine – A drug that is used to cure, prevent, or
treat pain, disease or illness.
Prescription Medicine – Medicine that can be
bought only with a written order from a doctor.
Over-the-counter Medicine – Is any medicine that
can be bought without a prescription.
Side Effect – Any effect that is caused by a drug that
is different from the drug’s intended effect.
Drug Abuse
Drug Addiction: Uncontrolled use of a drug
Physical Dependence: Body’s chemical or
physical need for a drug
Psychological Dependence: Person’s emotional
or mental need for a drug
Side Effect – Any effect that is caused by a drug
that is different from the drug’s intended effect.
Drug Abuse
Tolerance – The body’s ability to resist
the effects of a drug.
Withdrawal – The process that occurs
when a addicted person stops taking a
drug.
Overdose - Taking more of a drug than a
person’s body can safely process.
Ways Drugs Enter the body
Ingestion
Inhaled
Injected
Absorbed
– Swallowed
– Breathing in fumes
– Through needle
– Through the skin
6 Classifications of Drugs
1. Stimulants
2. Depressants
3. Hallucinogens
4. Narcotics
5. Inhalants
6. Designer
Stimulants
Any drug that increases the body’s
activity
 Examples: Nicotine, Cocaine,
Methamphetamine
Depressants
 Any drug that decreases the activity in
the body.
 Examples: Alcohol, Tranquilizers,
Barbiturates, Rohypnol (date rape drug)
Narcotics (opiates)
Drugs that reduce the sensation of pain
and are highly addictive.
Examples: Heroin, Morphine, Codeine,
Oxycodone, Opium, Methadone.
Euphoria: Physical or mental sense of well
being. Very brief feeling.
Hallucinogens
 Any drug that causes a person to see or hear
things that are not actually present. (Hallucinate)
 Examples: LSD (acid), PCP (angel dust),
Pycilocybin (mushrooms), Marijuana
 Flashback: An event in which a hallucinogen’s
effects happen again long after the drug was
originally taken.
Inhalants
Drugs that are inhaled and absorbed into the
bloodstream and lungs.
Examples: Freon, nitrous oxide, glue, gasoline,
aerosol sprays
2 ways these products are used
 Huffing – breathing vapors from a soaked rag
 Bagging – breathing vapors from a bag
Designer Drugs
Drugs that are chemically altered
 Examples: Ecstasy, GHB, Ketamine
Gateway Drugs
Drugs that are usually the first that teens
experiment with such as tobacco,
alcohol, and marijuana and later lead to
the use of a variety of other drugs such
as cocaine, LSD, or heroin.
Marijuana
Active chemical in marijuana is THC
Comes from a cannabis plant
Causes similar health issues as cigarettes
such as lung cancer and emphysema
Getting Help
 Intervention: Gathering of people who attempt
to help someone seek help for an addiction.
 Detoxification: Process of ridding the body of
all traces of drugs