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NIDA Notes Articles: Medical Consequences

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Injection Drug Users Acquire Hepatitis C Infection Later in Developed Countries

April 2010
Reports trends in onset of injection drug use to infection with hepatitis C virus in developed countries and notes the influence of prevention efforts.

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Methamphetamine Turns Helper Cells Into Destroyers

November 2009
Describes research providing evidence that chronic methamphetamine abuse is associated with increased microglial cell activity in the brain leading to neurodegeneration.

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Annual Event Teaches Students Brain Science

November 2009
Highlights activities held during Brain Awareness Week for students in Maryland, Virginia, and Washington, DC, to learn about brain anatomy and function.

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Extended Cocaine Exposure Impairs Cognitive Function in Rats

November 2009
Reports an animal study presenting evidence that cocaine causes cognitive deficits that can persist well into abstinence.

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NIDA Reprises Online Chat Day

October 2009
Highlights NIDA’s second annual Chat Day where NIDA scientists and staff responded to drug abuse and addiction questions from teachers and students.

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Prenatal Nicotine Exposure May Damage Receptors That Influence Auditory Processing

April 2009
Reports on a series of animal experiments indicating that nicotine exposure during prenatal fetal development damages a set of receptors in the brain's auditory processing center.

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NIDA Initiates Pediatrics Symposium on Adolescent Health

April 2009
Presents highlights of a symposium sponsored by NIDA in October 2008 to discuss adolescent brain and cognitive development and consider the impact of drug abuse on young people.

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Methamphetamine Restricts Fetal Growth, Increases Lethargy in Newborns

June 2008
Reports on research showing that newborns whose mothers abused methamphetamine during pregnancy showed lower rates of fetal growth as compared with unexposed newborns.

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Animal Studies Elaborate Toluene's Effects

June 2008
Reports on evidence that toluene abuse can harm the nervous system and body, although scientists know relatively little about its specific actions.

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Morphine-Induced Immunosuppression, From Brain to Spleen

June 2008
Reports on scientists who pinpointed the biochemical trigger from morphine that sets off a chain reaction that inhibits an immune cell that is key in fighting viruses and cancer.

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