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PSYC 3530 (13)
Guy Proulx (13)

7. The Influence of Drugs and Hormones on Behavior.docx

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York University
PSYC 3530
Guy Proulx

7 The Influence of Drugs and Hormones on Behavior Monday September 23 2013 1231 AM Principles of PsychopharmacologyPsychopharmacology is the study of how drugs affect the nervous system and behaviorA drug is a chemical compound that is administered to bring about some desired change in the bodyPsychoactive drugssubstances that act to alter mood thought or behavior and are used to manage neuropsychological illness o Many psychoactive drugs are also substances of abuseThe way in which a drug enters and passes through the body to reach that target is called its route of administration Soon after a drug is taken the body begins to remove itDrugs are metabolized throughout the body but particularly in the kidneys liver and bile o They are excreted in urine feces sweat breast milk and exhaled airMany metals such as mercury are not easily eliminated from the body and when they accumulate there they can cause severe neurological problemsBloodBrain Barrier
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