The Basics Health13th Edition Chapter 8Recognizing and Avo.docx

The Basics Health
13th Edition
Chapter 8
Recognizing and Avoiding Addiction and Drug Abuse
Copyright © 2019, 2017, 2015 Pearson Education, Inc. All
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What Is Addiction?
Addiction - continued involvement with a substance or activity
despite its ongoing negative consequences.
Classified by the American Psychiatric Association (APA) as a
mental disorder.
Physiological dependence results in tolerance and withdrawal.
Psychological dependence is the dependency of the mind on a
substance or behavior that can lead to psychological withdrawal
symptoms, such as anxiety, irritability, or cravings.
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The Process of Addiction
Compulsion
obsession with the behavior and an overwhelming need to
perform it
Loss of control
the inability to predict reliably whether any isolated occurrence

of the behavior will be healthy or damaging
Negative consequences
such as physical damage, legal trouble, financial problems,
academic failure, or family dissolution
Denial,
the inability to perceive that the behavior is self-destructive
Inability to abstain,
continuance regardless of outcomes
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Cycle of Psychological Addiction
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Habit versus Addiction
Addiction involves elements of habit – which is a repeated
behavior in which the repetition may be unconscious.
A habit can be broken.
Addiction involves repetition of a behavior that occurs with
compulsion, and considerable discomfort occurs if the behavior
is not performed.
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Addiction Affects Family and Friends
Codependence: a condition in which a person is controlled by an
addict's addictive behavior
Defined by lack of ability to set boundaries
Living in a chaotic, crisis-oriented mode
Assuming responsibility for meeting others' needs to the point
of subordinating own needs or even being unaware of personal
needs
Enablers: people who knowingly or unknowingly protect addicts
from the consequences of their behavior
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Addictive Behaviors
Drug chemicals are not the only source of addiction. People can
become addicted to certain behaviors.
Process addictions are behaviors known to be addictive because
they are mood altering.
Gambling, compulsive buying, compulsive exercise, and
compulsive Internet or technology use are all process
addictions.
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Gambling Disorder

More than five million people meet the criteria for having a
gambling addiction; still many others ar
There is strong evidence for a biological component.
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Compulsive Buying Disorder
Shopping is often used as a way to make people feel better
about themselves, but for some people it becomes compulsive
buying disorder.
Symptoms include the following:
Preoccupation with shopping and spending
Buying more than one of the same item
Shopping for longer periods than intended
Repeatedly buying more than is needed or can be afforded
Buying to the point that it interferes with social activities or
work
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Exercise Addiction
Addictive or compulsive exercise results in negative
consequences similar to those of other addictions.
Warning signs include working out alone, rigid exercise
patterns, exercising for more than two hours daily, exercising

when sick or injured or to avoid social events, school, or work.
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Technology Addictions
Cell phones, video games, networking sites, and the Internet can
all be addictive.
Approximately 9 percent of college students report that Internet
use and computer games have interfered with their academic
performance.
Symptoms include general disregard for one's health, sleep
deprivation, neglecting family and friends, lack of physical
activity, euphoria when online, lower grades in school, and poor
job performance.
Internet addicts may feel moody or uncomfortable when they
are not online.
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What Is a Drug?
Drugs are substances other than food that are intended to affect
the structure or function of the mind or body through chemical
action.
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Types of Drugs
Prescription: obtained only with a prescription from a licensed
physician
Over-the-counter (OTC): no prescription needed and more than
100,000 available
Recreational: most are legal substances, such as alcohol,
tobacco, coffee, and so on
Herbal preparations: products of plant origin
Illicit (illegal): all are psychoactive
Commercial: found in commercially sold products such as
household cleaners, pesticides, etc.
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How Drugs Affect the Brain
The brain is wired to repeat pleasurable experiences.
One nerve cell set uses dopamine, a neurotransmitter.
This "pleasure circuit" is known as the mesolimbic dopamine
system.
All addictive drugs activate the brain's pleasure circuit, and
addiction alters the way the pleasure center and other parts of
the brain function.
Psychoactive drugs: affect chemical neurotransmission, either
enhancing it, suppressing it, or interfering with it
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Routes of Administration
Oral ingestion
Inhalation
Through the nose or mouth
Injection
Intravenous—into bloodstream
Intramuscular—into muscle
Subcutaneous—just under the skin
Transdermal
Through the skin
Suppositories
Through the vagina or anus
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Drug Use and Misuse
Abuse is often associated with illegal drugs, but many people
abuse and misuse legal drugs.
Drug misuse: use for purpose not intended
Drug abuse: excessive use
Misuse and abuse may cause serious harm
Approximately 27 million people report being current users of
illicit drugs.
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Drug Misuse and Abuse
Over-the-counter drugs

High doses can cause hallucinations, bizarre sleep patterns,
mood changes, and sometimes death.
Those most vulnerable to abusing OTC drugs are teenagers,
young adults, and people over the age of 65.
Sleep aids
Excedrin PM, Sominex, Unisom, and Tylenol PM
Can cause problems with the sleep cycle, weaken areas of the
body, or induce narcolepsy.
Caffeine pills and energy drinks.
Caffeine in large doses can result in tremors/shaking,
restlessness and edginess, insomnia, dehydration, panic attacks,
heart irregularities, and other symptoms.
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Cold medicines
Robitussin, Vicks, Coricidin, and NyQuil
Dextromethorphan (DXM) can cause hallucinations, loss of
motor control, and "out-of body" sensations.
Diet pills
Contain stimulants such as caffeine or Hoodia gordoni
Marketed as dietary supplements, rather than drugs,
manufacturers may make unsubstantiated claims of
effectiveness or can use untested or unsafe ingredients.
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Prescription drug abuse:
About 6.4 million Americans aged 12 and older used
prescription drugs for nonmedical reasons in the past month.
It is particularly common among teens and young adults.
The problem may be getting worse among the youngest segment
of society, with nearly 13 percent of 12th graders reporting
prescription drug abuse by the time they graduate.
Risks vary from irregular heart rate to death. Injecting
prescription drugs may result in exposure to HIV, hepatitis B
and C and other bloodborne viruses.
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College Students and Prescription Drug Abuse
A recent survey indicates 12 percent of students reported
illegally using prescription drugs in the last year.
Commonly used painkillers (Vicodin, OxyContin, or Percocet)
are used to relax or get high.
Student say they abuse Adderall and Ritalin (intended to treat
attention-deficit/hyperactivity disorder [ADHD]) for academic
gain.
Most commonly reported side effects are sleeping difficulties,
irritability, and reduced appetite.
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30-Day Drug Use Prevalence, Full-Time College Students vs.
Respondents 1 to 4 Years beyond High School
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Illicit Drugs
Illicit drug use spans all age groups, genders, ethnicities,
occupations, socioeconomic groups.
Marijuana use has risen in recent years.
Close to 50 percent of college-aged students nationwide have
tried an illicit drug, most commonly marijuana.
College offices are concerned about the link between substance
abuse and poor academic performance.
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Drugs of Abuse: Uses and Effects
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Drugs of Abuse: Uses and Effects (cont.)
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Common Drugs of Abuse
Amphetamines
Synthetic agents that stimulate the central nervous system
(CNS)
Some are used for medicinal purposes.
Ritalin and Adderall are used for attention-deficit/hyperactivity
disorder (ADHD).
High potential for abuse
Methamphetamine
Affects brain and CNS
Euphoria lasts 6 to 8 hours.
Methods of use: snorted, injected, smoked, and ingested
Short-term effects include increased physical activity, alertness,
rapid breathing, increased body temperature, insomnia, tremors,
anxiety, confusion, and decreased appetite.
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Caffeine
Most popular and widely consumed drug in the United States
Caffeine is derived from the chemical family called xanthines,
which are found in plant products such as coffee, tea, and
chocolate.
Enhances mental alertness and reduces feelings of fatigue.
Side effects include wakefulness, insomnia, irregular heartbeat,
dizziness, nausea, indigestion, mild delirium, and heartburn.
Caffeine meets the requirements for addiction: tolerance,
psychological dependence, and withdrawal symptoms.

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Caffeine Content Consumption
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Marijuana
Tetrahydrocannabinol (THC) is the psychoactive substance in
marijuana;
average concentration is 15 percent, but some forms can
contain up to 27 percent.
Has many medical purposes
controls nausea and vomiting,
improves appetite,
forestalls loss of lean muscle mass associated with AIDS
wasting syndrome,
reduces muscle pain and spasticity caused by multiple sclerosis.
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THC - Resin
Smoking THC-rich resin extracts, called dabbing, is becoming
much more common among marijuana users.
Extracts contain high levels of THC
Dangers include visits to the emergency room and fires
resulting from the extraction process.

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Dangers of Marijuana Use
The drug substantially reduces a driver’s ability to react and
make quick decisions
Altered perception may linger for hours after use and the “high”
has subsided.
Recent research indicates that a person having used marijuana is
two and a half times more likely to be involved in a motor
vehicle accident. The impairment is enhanced when mixed with
alcohol.
In Washington, where it is legal, one in six drivers involved in
fatal car crashes had recently used marijuana.
Chronic users are affected by the same toxins and carcinogens
as tobacco users.
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Synthetic Marijuana
Products contain dried, shredded plant material and one or more
synthetic cannabinoids. Commonly known as: K2 (or spice),
fake marijuana, Yucatan Fire, Skunk, and Moon Rocks.
K2 or spice:
sold legally as herbal blend incense.
used by nearly one in seven college students,
11.3 percent, of high school seniors are using this drug.
health effects such as hallucinations, severe agitation,
extremely elevated heart rate and blood pressure, coma, suicide
attempts, and drug dependence are common.

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Narcotics and Depressants
Benzodiazepines and barbiturates
Benzodiazepines (tranquilizers)
The most common sedative-hypnotic drugs
Valium, Ativan, and Xanax
Barbiturates
Sedative-hypnotic drugs
Amytal and Seconal
Less safe than benzodiazepines
Synergistic effect, when combined with alcohol, can lead to
respiratory failure and death.
Can produce physical and psychological dependence in several
weeks.
Cross-tolerance is a complication specific to sedatives
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Rohypnol
A tranquilizer and "date rape" drug
Produces a sedative effect, amnesia, muscle relaxation, and
slowed psychomotor responses.
Has gained notoriety as a growing problem on college campuses
as it has been added to punch and other drinks at parties in
hopes of incapacitating a woman so she is unable to resist
sexual assault.
Gamma-hydroxybutyrate (GHB)
CNS depressant known to have euphoric, sedative, and anabolic
(body-building) effects
Another "date rape" drug

Side effects include loss of memory, unconsciousness, amnesia,
hallucinations, and death.
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Opioids
Cause drowsiness, relieve pain, and induce euphoria
Called narcotics
Derived from opium
Include morphine, codeine, heroin, and black tar heroin
Depress CNS and lower heart rate, respiration, and blood
pressure
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Treating and Reducing Drug Abuse
An estimated 20.8 million Americans aged 12 or older needed
treatment for an illicit drug or alcohol use problem in 2015. Of
these, only approximately 10 percent received treatment.
Detoxification is an early abstinence period when the addict
physically and cognitively adjusts to being free from the
addiction's influence.
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Treatment Approaches
Outpatient behavioral treatment
Cognitive behavioral therapy
Multidimensional family therapy
Motivational interviewing
Motivational incentives (contingency management)
Residential treatment programs
Therapeutic communities (TCs) are highly structured programs
in which addicts remain at a residence, typically for 6 to 12
months.
12-step programs
Nonjudgmental treatment programs that aim to work on personal
recovery
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Drug Treatment and Recovery for College Students
Early intervention increases the likelihood of successful
treatment.
Private therapy, group therapy, cognitive training, nutrition
counseling, and health therapies all help with recovery.
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Drug Use and Abuse: Costs to Society
Illegal drug use in the United States costs about $193 billion
per year.

$11 billion in the cost of health care, $120 billion in lost
productivity, and $61 billion in costs to criminal justice system
There are no simple solutions to this complex problem
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