© 2006 mcgraw-hill higher education. all rights reserved. psy 526 human drug use and abuse outline...
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© 2006 McGraw-Hill Higher Education. All rights reserved.
Psy 526Psy 526Human Drug Use and AbuseHuman Drug Use and Abuse
Outline of Supplemental ReadingsOutline of Supplemental Readings
Ksir, Hart, and RayKsir, Hart, and Ray
Chapters 1, 2, & 3Chapters 1, 2, & 3
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Chapter 1Chapter 1
Drug Use : An OverviewDrug Use : An Overview
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““Drug Use On The Rise”Drug Use On The Rise”
Who?
What?
When and where?
How much?
Why do any of these matter?
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Who Is Taking The Drug? AgeAge Proximity to usProximity to us What they do for a livingWhat they do for a living
What Drug Are They Taking? Obvious question but often over lookedObvious question but often over looked Alcohol vs. heroinAlcohol vs. heroin Inhalants vs. alcoholInhalants vs. alcohol
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When And Where Are Drugs Used?
The situation in which the drug is taken makes a The situation in which the drug is taken makes a big difference.big difference. A 1A 1stst grade teacher drinking on Saturday night at grade teacher drinking on Saturday night at
home vs. a 1home vs. a 1stst grade teacher drinking during class. grade teacher drinking during class.
Even if a subculture accepts the use of an illegal Even if a subculture accepts the use of an illegal drug, it will distinguish between acceptable and drug, it will distinguish between acceptable and unacceptable situations.unacceptable situations. A group might accept marijuana smoking at a party A group might accept marijuana smoking at a party
but not when you are taking the kids to the soccer but not when you are taking the kids to the soccer game or right before a multi-million dollar deal game or right before a multi-million dollar deal meeting.meeting.
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Why A Person Takes Drugs? Reasons for drug use often determine Reasons for drug use often determine
whether such use is of concern:whether such use is of concern: e.g., Vicodin the doctor prescribed for pain vs. e.g., Vicodin the doctor prescribed for pain vs.
Vicodin taken for pleasurable effects.Vicodin taken for pleasurable effects. e.g., Drinking alcohol because you are out with e.g., Drinking alcohol because you are out with
friends vs. drinking alcohol alone in the morning friends vs. drinking alcohol alone in the morning to help get you out of bed.to help get you out of bed.
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How A Drug Is Taken? An amount of cocaine that comes from chewing An amount of cocaine that comes from chewing
the coca leaves vs. that much cocaine snorted the coca leaves vs. that much cocaine snorted will lead to very different responseswill lead to very different responses
How the drug is taken can also depend on how How the drug is taken can also depend on how fast the user becomes addicted, how fast the fast the user becomes addicted, how fast the response comes and how long it lastsresponse comes and how long it lasts
How Much Of A Drug Is Taken? This is often the difference between normal use This is often the difference between normal use
and abuse; the difference between life and deathand abuse; the difference between life and death
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Four Principles Of Psychoactive DrugsFour Principles Of Psychoactive Drugs
““Drugs” are not good or bad.Drugs” are not good or bad. Every drug has multiple effects.Every drug has multiple effects. Both amount and quality of the drug Both amount and quality of the drug
influence the effect of the drug.influence the effect of the drug. The effects of a drug also depend on the The effects of a drug also depend on the
person.person.
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History tells us that as long as humans have been around some have used, misused and abused some plants or
substances.
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Four Pharmacological RevolutionsFour Pharmacological Revolutions
1.1. Major communicable diseases under Major communicable diseases under control – vaccinescontrol – vaccines
2.2. Pharmacological revolution – antibiotics Pharmacological revolution – antibiotics to treat illness of the bodyto treat illness of the body
3.3. Development of psychopharmacology Development of psychopharmacology drugs – treatment of mental illnessesdrugs – treatment of mental illnesses
4.4. Development of oral contraception –Development of oral contraception –drugs gave control over the bodydrugs gave control over the body
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Cultural Change in U.S.Cultural Change in U.S. After WWII, substance abuse was not a major After WWII, substance abuse was not a major
concernconcern Soon after, concerns about alcohol came to the Soon after, concerns about alcohol came to the
forefrontforefront In the mid 1960s, LSD became a household wordIn the mid 1960s, LSD became a household word Although Nixon declared a “War on Drugs”, there Although Nixon declared a “War on Drugs”, there
was still tolerance for drug use in the 1960s-70s.was still tolerance for drug use in the 1960s-70s. In the 1980s to 1990s, less tolerance of differences In the 1980s to 1990s, less tolerance of differences
including drugsincluding drugs 2000s, medicinal marijuana and “rave” subculture2000s, medicinal marijuana and “rave” subculture
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Extent Of Drug UseExtent Of Drug Use
It is not possible to get accurate It is not possible to get accurate information on drug use.information on drug use.
It is not possible to get accurate It is not possible to get accurate information on quantity of drugs imported information on quantity of drugs imported or sold.or sold.
Even estimates of beer or prescription Even estimates of beer or prescription drug use based on sales information may drug use based on sales information may not be entirely accurate.not be entirely accurate.
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How We Get InformationHow We Get Information
Survey Based QuestionnairesSurvey Based Questionnaires What are the benefits?What are the benefits? What are some of the limitations?What are some of the limitations?
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Trends In Drug UseTrends In Drug Use
Annual High School Senior surveyAnnual High School Senior survey Prevalence of reported usePrevalence of reported use Attitude data and riskAttitude data and risk
Consider who is included and who is not Consider who is included and who is not included in this survey.included in this survey.
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Marijuana: Trends in perceived availability, perceived risk of regular use, and prevalence of use in the past 30 days for 12th graders
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Lifetime Marijuana Use among Persons Ages 12-25, by group: 1965-2002
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National Survey On National Survey On Drug Use And HealthDrug Use And Health
Face-to-face, computer-assisted Face-to-face, computer-assisted interviewsinterviews
68,000 individuals; carefully sampled 68,000 individuals; carefully sampled households across the UShouseholds across the US
Broken down into different age groupsBroken down into different age groups ResultsResults
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Trends in reported drug use within the past 30 days for young adults ages 18 to 25
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Correlates Of Drug UseCorrelates Of Drug Use
Age, gender, racial/ethnic grouping, Age, gender, racial/ethnic grouping, education levelseducation levels
SES- not a significant factorSES- not a significant factor Personality problems are poor predictorsPersonality problems are poor predictors Risk factorsRisk factors Protective factorsProtective factors
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Limitations Of Correlation Limitations Of Correlation StudiesStudies
Does smoking marijuana cause the user to Does smoking marijuana cause the user to get lower grades? get lower grades?
Are kids who are getting low grades more Are kids who are getting low grades more likely to smoke marijuana?likely to smoke marijuana?
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Motives For Drug Use Motives For Drug Use
We all do things that we know are not We all do things that we know are not right; e.g., eating too much, driving too right; e.g., eating too much, driving too fast, or drinking too much.fast, or drinking too much.
Fads and cultural trends influence what Fads and cultural trends influence what drugs are used.drugs are used.
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Chapter 2Chapter 2
Drug Use As A Social ProblemDrug Use As A Social Problem
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Costs Of Drug Use To SocietyCosts Of Drug Use To Society
Cost of maintaining habit
Cost of treating patients
Fetal alcohol syndrome
Cost of criminal behavior
Broken home, illness, shorter lives, etc.
Drugs in the workplace
Others?
Emergency room visits
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The Big ChangeThe Big Change
What made the government change What made the government change from a laissez-faire attitude to one of from a laissez-faire attitude to one of control?control? ToxicityToxicity DependenceDependence CrimeCrime
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Potency vs. ToxicityPotency vs. Toxicity
Potency: the amount of drug necessary to cause an effect.
Toxicity: the capacity of a drug to do damage or cause adverse effects in the body.
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ToxicityToxicity What makes a drug toxic?
• Amount used
• How it is used
• What the user did while on the drug
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Examples of Drug-Induced ToxicityExamples of Drug-Induced Toxicity
AcuteAcute Behavioral toxicity – “intoxication” that impairs Behavioral toxicity – “intoxication” that impairs
the user’s actions and increases the danger to the user’s actions and increases the danger to the individual.the individual.
Physiological – overdose that causes the user Physiological – overdose that causes the user to stop breathing, the heart to stop, or causes to stop breathing, the heart to stop, or causes other adverse side effects.other adverse side effects.
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Examples of Drug-Induced ToxicityExamples of Drug-Induced Toxicity
ChronicChronic Social problemsSocial problems
Personality changesPersonality changes Effects on friends and familyEffects on friends and family Change in lifestyleChange in lifestyle
Health problemsHealth problems Heart diseaseHeart disease Lung cancerLung cancer Liver dangerLiver danger Other health effectsOther health effects
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DDrug rug AAbuse buse WWarning arning NNetworketwork
A system for reporting incidences of lethal and A system for reporting incidences of lethal and non-lethal drug related emergency in some U.S. non-lethal drug related emergency in some U.S. metropolitan hospitals.metropolitan hospitals.
DAWN included improper use of prescription or DAWN included improper use of prescription or over-the-counter drugs and the use of any other over-the-counter drugs and the use of any other substance for psychic effect, dependence or substance for psychic effect, dependence or suicide.suicide.
See table 2.2 on page 32 (data from 2002)See table 2.2 on page 32 (data from 2002) The top three mentions in ER episodes were Alcohol-The top three mentions in ER episodes were Alcohol-
in- combination, cocaine, and marijuana.in- combination, cocaine, and marijuana. The top three mentions for fatalities were prescription The top three mentions for fatalities were prescription
narcotics, cocaine, and heroin/morphine.narcotics, cocaine, and heroin/morphine.
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DDrug rug AAbuse buse WWarning arning NNetworketwork
What it tells us about how What it tells us about how dangerous a drug is?dangerous a drug is?
What it does NOT tell us about What it does NOT tell us about how dangerous a drug is?how dangerous a drug is?
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Blood Borne DiseasesBlood Borne Diseases
Specific toxicity for injected drugsSpecific toxicity for injected drugs AIDS, HIV and Hepatitis B and CAIDS, HIV and Hepatitis B and C Why do the blood borne diseases spread Why do the blood borne diseases spread
so rapidly with these drug users?so rapidly with these drug users?
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Substance DependenceSubstance Dependence
What does an addict look like?What does an addict look like? What do they take? Alcohol, cigarettes, What do they take? Alcohol, cigarettes,
illicit drugs, food, or computer timeillicit drugs, food, or computer time How much time do they spend with their How much time do they spend with their
vice?vice? How much do they take?How much do they take? What makes you decide the rules?What makes you decide the rules?
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Substance DependenceSubstance Dependence
Three Basic ProcessesThree Basic Processes ToleranceTolerance Physical dependencePhysical dependence Psychological dependencePsychological dependence
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ToleranceTolerance
Tolerance is a diminished effect after Tolerance is a diminished effect after repeated use of the same drug.repeated use of the same drug.
When tolerance develops, an increased When tolerance develops, an increased amount of the drug is required to produce amount of the drug is required to produce the same effects.the same effects.
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Physical DependencePhysical Dependence
Physical dependence refers to the body’s Physical dependence refers to the body’s requirement for the drug in order to function requirement for the drug in order to function normally.normally.
Tolerance may lead to physical dependence Tolerance may lead to physical dependence (but not always).(but not always).
When the drug use is stopped promptly, When the drug use is stopped promptly, withdrawal effect can happenwithdrawal effect can happen From mild (e.g., headaches, nausea) to severe From mild (e.g., headaches, nausea) to severe
(e.g., seizures, death).(e.g., seizures, death). Withdrawal symptoms differ among users and with Withdrawal symptoms differ among users and with
different drugs.different drugs.
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Psychological DependencePsychological Dependence Psychological dependence is defined by the Psychological dependence is defined by the
psychological/behavioral inability to stop using a psychological/behavioral inability to stop using a drug.drug.
Psychological dependence can be observed in Psychological dependence can be observed in person’s behavior, by the amount of time and person’s behavior, by the amount of time and effort the person spends seeking the drug.effort the person spends seeking the drug.
It is It is not any less REALnot any less REAL than physical than physical dependence.dependence.
Like physical dependence, psychological Like physical dependence, psychological dependence has a physiological basis.dependence has a physiological basis. i.e., neurophysiological (body - mind are one)i.e., neurophysiological (body - mind are one)
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Changing Views of DependenceChanging Views of Dependence
The medical model aims to treat the The medical model aims to treat the withdrawal symptoms, often associated withdrawal symptoms, often associated with physical dependence.with physical dependence.
The positive reinforcement model stresses The positive reinforcement model stresses that the consequences of drug use that the consequences of drug use influence dependence.influence dependence. Drug use is operant behavior.Drug use is operant behavior. Users don’t have to experience withdrawal Users don’t have to experience withdrawal
symptoms to become addicted.symptoms to become addicted.
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Substance Abuse and Dependence: Substance Abuse and Dependence: DSM-IVTRDSM-IVTR
Substance abuse is considered Substance abuse is considered maladaptive.maladaptive.
It is carefully separated from substance It is carefully separated from substance dependencedependence The essential feature of dependence is The essential feature of dependence is
continued use despite significant substance-continued use despite significant substance-related problems known to user.related problems known to user.
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Drugs are not evil They can not do anything
They can not have power
Drugs are just objects that have effects on our body.
Even our “War on Drugs” shows the perception that drugs are so evil that we have to wage a war on them.
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Dependence is Biological Dependence is Biological
Biochemical or physiological actions in the Biochemical or physiological actions in the brainbrain
We can not scan the brain to determine if We can not scan the brain to determine if a person has developed dependence.a person has developed dependence. Researchers have searched for genetic, Researchers have searched for genetic,
physiological, or biochemical markers.physiological, or biochemical markers. To date, none have proven reliable predictors.To date, none have proven reliable predictors.
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Personality Personality
It is difficult to determine whether drug use It is difficult to determine whether drug use changes personality.changes personality.
Many other factors play a role in Many other factors play a role in developing someone’s personality.developing someone’s personality.
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Dependence as a “Disease” Dependence as a “Disease”
This is a popular notion.This is a popular notion. Alcoholics Anonymous is based on this idea. Its Alcoholics Anonymous is based on this idea. Its
founders and advocates believe that drug founders and advocates believe that drug dependence should be treated as such.dependence should be treated as such.
Others argue that there are no tests that Others argue that there are no tests that diagnose alcoholism.diagnose alcoholism. There are ways to test and treat the effects but not There are ways to test and treat the effects but not
the disease itself.the disease itself. What are some potential problems with this What are some potential problems with this
label?label?
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Drugs and CrimeDrugs and Crime
Do drugs turn the person into the criminal type?Do drugs turn the person into the criminal type? Do people under the influence of a drug commit Do people under the influence of a drug commit
crime? crime? More than half the murders in our nation in 2000 were More than half the murders in our nation in 2000 were
associated with alcohol, as were two-thirds of all associated with alcohol, as were two-thirds of all domestic violence.domestic violence.
What are the implications of these statistics? What are the implications of these statistics? Some forms of drug use are criminal behavior. Some forms of drug use are criminal behavior.
If someone is willing to commit one crime, they might If someone is willing to commit one crime, they might be more willing to do other crimes.be more willing to do other crimes.
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Chapter 3Chapter 3
Drug Products and Their RegulationDrug Products and Their Regulation
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ReformismReformism
Race and fear usedRace and fear used Laws came to regulate moral behaviorLaws came to regulate moral behavior
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Issues Leading To LegislationIssues Leading To Legislation
Fraud in patent medicineFraud in patent medicine Hostetter’s Bitters 44% pure alcoholHostetter’s Bitters 44% pure alcohol Birney’s Catarrh Cure 4% cocaineBirney’s Catarrh Cure 4% cocaine
OpiumOpium 1890 federal act allowed only American citizens to 1890 federal act allowed only American citizens to
import opiumimport opium MorphineMorphine
““Morphinism”Morphinism” CocaineCocaine
Mail order cocaineMail order cocaine
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Two Bureaus, Two Types Of Two Bureaus, Two Types Of RegulationRegulation
The Pure Food and Drug ActThe Pure Food and Drug Act Department of AgricultureDepartment of Agriculture Ensures drugs were pure and honestly Ensures drugs were pure and honestly
labeledlabeled Harrison ActHarrison Act
Treasury DepartmentTreasury Department Taxing of drug for revenueTaxing of drug for revenue
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Regulation Regulation 1906 Pure Food And Drugs Act1906 Pure Food And Drugs Act
PurityPurity The contents of the product must be correct and The contents of the product must be correct and
labeled correctlylabeled correctly 1912 Sherley Amendment1912 Sherley Amendment
SafetySafety Set up FDA as gatekeeperSet up FDA as gatekeeper Directions must be includedDirections must be included
EffectivenessEffectiveness 1962 Kefauver-Harris Amendments1962 Kefauver-Harris Amendments
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Making Of A New DrugMaking Of A New Drug
Preclinical research and developmentPreclinical research and development Clinical research and developmentClinical research and development
Phase IPhase I Phase IIPhase II Phase IIIPhase III
Permission to marketPermission to market
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Making Of A New DrugMaking Of A New Drug
ExceptionsExceptions Fast-track ruleFast-track rule Orphan Drug LawOrphan Drug Law
Dietary SupplementsDietary Supplements
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Controlled SubstanceControlled Substance
Early enforcement of the Harrison ActEarly enforcement of the Harrison Act 18th Amendment18th Amendment The Narcotic DivisionThe Narcotic Division Arresting physicians and pharmacistsArresting physicians and pharmacists
Stiffer PenaltiesStiffer Penalties Jones-Miller ActJones-Miller Act Prohibited the importing of opium for heroinProhibited the importing of opium for heroin
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Controlled SubstanceControlled Substance
Mandatory Minimum sentencesMandatory Minimum sentences
The Bureau of NarcoticsThe Bureau of Narcotics Drug CzarDrug Czar Marijuana Tax ActMarijuana Tax Act 1956 Narcotic Drug Control Act1956 Narcotic Drug Control Act
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Drug Abuse Control Act Drug Abuse Control Act Amendments Of 1965Amendments Of 1965
Comprehensive Drug Abuse Prevention and Comprehensive Drug Abuse Prevention and Control Act 1970Control Act 1970 Replaced or updated all lawsReplaced or updated all laws Federal vs StateFederal vs State
Prevention and treatmentPrevention and treatment
Control, not taxControl, not tax
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Summary of Controlled Substance SchedulesSummary of Controlled Substance Schedules
Schedule Criteria Examples
I a. High potential for abuse
b. No medical use
c. Lack of accepted safety
Heroin,
Marijuana
II a. High potential for abuse
b. Current accepted medical use
c. Abuse may lead to psychological or physical dependence
MDMA,
Morphine,
Cocaine
III a. Potential for abuse less then I and II
b. Current accepted medical use
c. Abuse may lead to physical dependence or high psychological dependence
Anabolic steroids, most barbiturates
IV a. Low Potential for abuse less then III
b. Current accepted medical use
c. Abuse may lead to limited physical or psychological dependence relative to III
Vanax, barbital, Chloral hydrate,
fenfluramine
V a. Potential for abuse less then I and II
b. Current accepted medical use
c. Abuse may lead to physical dependence or high psychological dependence
Mixture having small amounts of codeine or
opium
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Drug Abuse Control Act Drug Abuse Control Act Amendments Of 1965Amendments Of 1965
Possession and Selling PenaltiesPossession and Selling Penalties Omnibus Drug ActOmnibus Drug Act Loss of BenefitsLoss of Benefits
Drug precursorsDrug precursors
Drug paraphernaliaDrug paraphernalia
Office of National Drug Control PolicyOffice of National Drug Control Policy
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State And Local RegulationsState And Local Regulations
Difference in penalties from state to stateDifference in penalties from state to state Federal law overrides stateFederal law overrides state
Federal Support for Urine ScreeningFederal Support for Urine Screening Military led the wayMilitary led the way More advanced screeningMore advanced screening Transportation and private companies testTransportation and private companies test Schools testSchools test
Testing methodsTesting methods Different test different resultsDifferent test different results