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Legal and Illegal Drugs PowerPoint Presentation

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Description : Check out this medical presentation on Neurology, which is titled "Legal and Illegal Drugs", to know about drug abuse and distinguish it from both appropriate use and misuse, and know how psychoactive drugs affect the brain.

Tags : Neurology, Legal, Illegal Drugs, drug abuse, psychoactive drugs, brain

Published on : Aug 23, 2021 | Views : 1768 | Downloads : 8

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Slide 1-

Slide 1 of 32 Objectives Define drug abuse and distinguish it from both appropriate use and misuse. Describe how psychoactive drugs affect the brain. Section 17.1 Legal and Illegal Drugs Summarize the risks of drug abuse.
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Slide 2 of 32 Myth Medicines from a drugstore can’t harm you. Fact Medicines can be just as dangerous as “street drugs” if they are used inappropriately. What other myths do teens believe about drugs? Write down some statements you have heard from your peers. Which ones do you think are true? Which are false?
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Slide 3 of 32 If drugs are not used as directed, serious health problems can result. Facts About Drug Use Medicines are legal drugs that help the body fight injury, illness, or disease. Medicines can be classified into two groups: over-the-counter drugs and prescription drugs.
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Slide 4 of 32 A medicine that is sold legally in pharmacies and other stores without a doctor’s prescription is called an over-the-counter drug. Over-the-Counter Drugs Any over-the-counter drug can cause harm if the instructions on the label are not followed.
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Slide 5 of 32 A drug that can be obtained only with a written order from a doctor and can be purchased only at a pharmacy is known as a prescription drug. Prescription Drugs Prescription drugs require more government control than over-the-counter drugs because of their potential for harm.
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Slide 6 of 32 An illegal drug is a chemical substance that people of any age may not lawfully manufacture, possess, buy, or sell. Illegal Drugs Illegal drugs are also called street drugs.
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Slide 7 of 32 The improper use of medicines—either prescription or over-the-counter drugs—is called drug misuse. Drug Misuse Examples of drug misuse include taking more than the prescribed amount of a drug taking drugs with the wrong foods or at the wrong time of day not taking a drug for the correct period of time
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Slide 8 of 32 When a drug is intentionally used improperly or unsafely, it is known as drug abuse. Drug Abuse Drug abuse occurs when people intentionally use any kind of drugs for nonmedical purposes.
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Slide 9 of 32
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Slide 10 of 32 A mood-altering drug, also called a psychoactive drug (sy koh AK tiv), is a chemical that affects brain activity. Drug Abuse and the Brain Most abused drugs are psychoactive.
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Slide 11 of 32 Many psychoactive drugs trigger activity along a pathway of cells in the brain called the “reward pathway.” The “Reward Pathway” Brain cells along the activated reward pathway release a chemical called dopamine (DOH puh meen). The extra dopamine released during drug use can cause the user to ignore the harmful effects of the drug and want to continue using it. Flooding the reward pathway with dopamine may lead to intense cravings for the drug. After a time, drug abuse can dull the brain’s reactions to natural levels of dopamine.
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Slide 12 of 32 Area of the brain’s “reward pathway” How Drugs Affect the Brain
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Slide 13 of 32 Area of the brain’s “reward pathway” How Drugs Affect the Brain
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Slide 14 of 32 Area of the brain’s “reward pathway” How Drugs Affect the Brain
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Slide 15 of 32 Abuse of psychoactive drugs may result in addiction. Addiction Addiction is the compulsive use of a drug, despite any cost to health, family, or social standing. Addiction is a disease that changes the structure and chemistry of the brain.
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Slide 16 of 32 Drugs can produce powerful changes in the body. Dangers of Drug Misuse and Abuse But when drugs are misused or abused, many serious health effects can result.
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Slide 17 of 32 A side effect is an unwanted physical or mental effect caused by a drug. Side Effects Side effects can include nausea dizziness drowsiness Side effects of a particular drug vary from person to person.
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Slide 18 of 32 When a person uses a drug repeatedly, the body may develop tolerance to the drug. Tolerance and Dependence Tolerance may lead to drug dependence—the body develops a chemical need for the drug and can’t function normally without it.
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Slide 19 of 32 If a person who is dependent on a psychoactive drug stops taking the drug, that person will experience withdrawal symptoms. Withdrawal Withdrawal symptoms include nausea or vomiting headaches or dizziness fever digestion problems paranoia or panic tremors, seizures, or death
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Slide 20 of 32 When a person takes more than one drug at a time, the drugs may interact in different ways than when taken alone. Drug Interactions Antagonism A drug antagonism (an TAG uh niz um) occurs when each drug’s effect is canceled out or reduced by the other. Synergism A drug synergism (SIN ur jiz um) occurs when drugs interact to produce effects greater than those that each drug would produce alone.
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Slide 21 of 32 Click above to go online. For: Updates on drug interactions
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Slide 22 of 32 Many illegal drugs are contaminated with chemicals that may themselves be harmful or cause dangerous drug interactions. Impurities Illegal drugs may vary widely from batch to batch in the concentration of psychoactive chemicals they contain.
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Slide 23 of 32 Hepatitis and HIV If drug users share needles to inject drugs, contaminated blood left in the needle can carry disease-causing viruses from user to user. Other Health Risks Risks to Fetus and Newborn Drug abuse by a pregnant woman places her baby at risk for a broad range of developmental problems.
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Slide 24 of 32 Drug abusers risk Legal Risks and Other Costs facing serious legal penalties damaging their relationships with family and friends causing significant costs to society
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Slide 25 of 32 Penalties for individuals who produce, possess, transport, or sell illegal drugs include long prison terms and heavy fines. Legal Risks A criminal record makes it difficult to get a job or to be admitted into schools and the military. Many drug abusers commit other crimes to support their drug addiction.
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Slide 26 of 32
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Slide 27 of 32 A drug abuser may Effects on Family and Friends have unpredictable mood swings become violent withdraw from relationships and responsibilities The interests and activities that helped bind the person with family and friends may no longer exist.
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Slide 28 of 32 The United States government has spent billions of dollars in efforts to stop illegal drug manufacture and sales. Costs to Society Significant financial resources go toward drug abuse prevention education treatment rehabilitation programs
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Slide 29 of 32 Consider a few of the other costs of drug abuse Costs to Society the cost of incarcerating thousands of people for drug-related crimes medical costs for drug-related illnesses and injuries, including many of the nation’s cases of HIV/AIDS premature deaths from drug-related homicides and motor vehicle crashes lost work productivity because of drug dependency
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Slide 30 of 32 Vocabulary medicine A legal drug that helps the body fight injury, illness, or disease. over-the-counter drug A medicine that is sold legally in pharmacies and other stores without a doctor’s prescription. prescription drug A drug that can be obtained only with a written order from a doctor and can be purchased only at a pharmacy. illegal drug A chemical substance that people of any age may not lawfully manufacture, possess, buy, or sell. drug misuse The improper use of medicines—either prescription or over-the-counter drugs.
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Slide 31 of 32 Vocabulary drug abuse The intentional improper or unsafe use of a drug. psychoactive drug A chemical that affects brain activity; also known as a “mood-altering” drug. side effect An unwanted physical or mental effect caused by a drug. drug antagonism A condition that occurs when one drug’s effect is canceled out or reduced by another. drug synergism A condition that occurs when drugs interact to produce effects greater than those that each drug would produce alone.
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Slide 32 of 32 QuickTake Quiz Click to start quiz.
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Slide 33 of 32 End of Section 17.1 Click on this slide to end this presentation.