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Drugs & The Nervous System PowerPoint Presentation
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Drugs & The Nervous System

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Drugs & The Nervous System

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  1. Drugs & The Nervous System

  2. Medicinal Uses • All drugs affect receptor sites on neurons • Pain Relief – narcotics, analgesics • Cardiovascular Problems – regulate heartrate, blood pressure • Stimulants – increase impulses • Depressants – decrease impulses

  3. Abuse • Dependence • Tolerance • Addiction • Withdrawal

  4. Stimulants • Caffeine • Nicotine • Cocaine • Amphetamines

  5. Depressants • Alcohol • Barbituates

  6. Narcotics • Heroin • Abused prescription pain relievers

  7. Hallucinogens • Alter moods, thoughts and senses • LSD • Ergot • Psilocybe – mushrooms • Datura • Peyote • Ecstasy (also considered a depressant)

  8. Side Effects • Liver, heart, lung, or brain damage • Cancer • Changes in genitalia, sex drive • Weight changes • Depression or bipolarity (murder/suicide)