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  • Temporal lobe: The lobe of the cerebral cortex at the side of the head that hears and interprets music and language. [5]
  • Tetrahydrocannabinol: See THC
  • Thalamus: Located deep within the brain, the thalamus is the key relay station for sensory information flowing into the brain, filtering out important messages from the mass of signals entering the brain. [5]
  • THC: Delta-9-tetrahydrocannabinol; the main active ingredient in marijuana, which acts on the brain to produce its effects. [1]
  • Tobacco: A plant widely cultivated for its leaves, which are used primarily for smoking; the tabacum species is the major source of tobacco products. [3]
  • Tolerance: A condition in which higher doses of a drug are required to produce the same effect as during initial use; often leads to physical dependence. [3]
  • Toluene: A light colorless liquid solvent found in many commonly abused inhalants, including airplane glue, paint sprays, and paint and nail polish removers. [9]
  • Transporter: A light colorless liquid solvent found in many commonly abused inhalants, including airplane glue, paint sprays, and paint and nail polish removers. [5]
  • Trichloroethylene: A liquid used as a solvent and in medicine as an anesthetic and analgesic. Found in cleaning fluid and correction fluid. [9]
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  1. National Institute on Drug Abuse. NIDA Research Report-Marijuana Abuse, Glossary
    http://www.drugabuse.gov/ResearchReports/Marijuana/Marijuana6.html#glossary:
    NIH Pub. No. 02-3859. Bethesda, MD: NIDA, NIH, DHHS. October 2002.
  2. National Institute on Drug Abuse. NIDA Research Report-Steroid Abuse and Addiction, Glossary
    http://www.drugabuse.gov/ResearchReports/Steroids/anabolicsteroids5.html#glossary:
    NIH Pub. No. 00-3721. Bethesda, MD: NIDA, NIH, DHHS. Printed 1991. Reprinted 1994, 1996. Revised April 2000.
  3. National Institute on Drug Abuse. NIDA Research Report-Nicotine Addiction, Glossary
    http://www.drugabuse.gov/researchreports/nicotine/nicotine5.html#glossary:
    NIH Pub. No. 01-4342. Bethesda, MD: NIDA, NIH, DHHS. Printed July, 1998. Reprinted August 2001.
  4. National Institute on Drug Abuse. NIDA Research Report-Hallucinogens and Dissociative Drugs, Glossary
    http://www.drugabuse.gov/ResearchReports/hallucinogens/halluc5.html:
    NIH Pub. No. 01-4209. Bethesda, MD: NIDA, NIH, DHHS. Printed March 2001.
  5. National Institute on Drug Abuse. The Brain: Understanding Neurobiology Through the Study of Addiction, Glossary
    http://www.drugabuse.gov/Curriculum/HSCurriculum.html:
    NIH Pub. No. 00-4871. Bethesda, MD: NIDA, NIH, DHHS. Printed 2000.
  6. National Institute on Drug Abuse. NIDA Research Report- Cocaine Abuse and Addiction, Glossary
    http://www.drugabuse.gov/ResearchReports/Cocaine/cocaine5.html#glossary:
    NIH Pub. No. 99-4342, Bethesda, MD: NIDA, NIH, DHHS. Printed May 1999. Revised November 2004
  7. National Institute on Drug Abuse. NIDA InfoFacts- Methylphenidate (Ritalin)
    http://www.drugabuse.gov/Infofacts/ritalin.html:
  8. National Institute on Drug Abuse. NIDA InfoFacts: Drug Abuse and AIDS
    http://www.drugabuse.gov/Infofacts/drugabuse.html:
  9. National Institute on Drug Abuse. NIDA Research Report- Inhalants Abuse
    http://www.drugabuse.gov/ResearchReports/Inhalants/:
    NIH Pub. No. 00-3818, Bethesda, MD: NIDA, NIH, DHHS. Printed 1994, Reprinted 1996, 1999. Revised July, 2000, Revised 2005