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Drugs & The Nervous System. 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. Abuse. Dependence Tolerance Addiction
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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
Abuse • Dependence • Tolerance • Addiction • Withdrawal
Stimulants • Caffeine • Nicotine • Cocaine • Amphetamines
Depressants • Alcohol • Barbituates
Narcotics • Heroin • Abused prescription pain relievers
Hallucinogens • Alter moods, thoughts and senses • LSD • Ergot • Psilocybe – mushrooms • Datura • Peyote • Ecstasy (also considered a depressant)
Side Effects • Liver, heart, lung, or brain damage • Cancer • Changes in genitalia, sex drive • Weight changes • Depression or bipolarity (murder/suicide)