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NIDA Notes Articles: Medical Consequences

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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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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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Crack Cocaine Promotes Progression of HIV Infection to AIDS

October 2010
Reports on two studies showing a high prevalence of HIV infection and more rapid progression to disability and death among drug abusers.

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Drugs Contribute to High Rates of Sexually Transmitted Diseases Among Juvenile Offenders

July 2011

Describe a study of newly arrested youths where researchers found correlations between the youths' prevalence of these sexually transmitted diseases and their cocaine and marijuana use.

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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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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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Long-Term Cocaine Abuse Linked With Impaired Heart Function

March 2008
Summarizes research on the effects of long-term regular cocaine abuse on the cardiovascular system in African Americans.

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Marijuana Linked With Testicular Cancer

December 2010
Reports on a study of close to 400 Washington State men that found that those who use marijuana may increase their risk for developing testicular cancer.

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Marijuana Smoking Is Associated With a Spectrum Of Respiratory Disorders

October 2006
Highlights two studies suggesting significant associations between marijuana smoking and respiratory disease.

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Marker for Neuronal Damage Resolves a Year after Methamphetamine

December 2011
New results extend previous findings that some methamphetamine-induced neuronal damage resolves after a year of abstinence.

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