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NIDA Notes Articles: Medical Consequences
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Substance Abuse Among Older Adults

December 2011

Understanding and responding to drug abuse among America’s aging population becomes more urgent as a growing percentage of baby boomers enter the over-50 age bracket.
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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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Research Focuses on Groups With High Smoking Rates

April 2012
Dr. Volkow discusses NIDA’s efforts to develop effective antismoking treatments for populations with persistently high rates of smoking, such as people with psychiatric disorders, high school dropouts, and Native Americans.

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Prenatal Cocaine Exposure Increases Monkeys' Impulsivity Into Adulthood

July 2012

Prenatal drug exposure can have behavioral effects that last well into adulthood, according to two studies of adult monkeys prenatally exposed to cocaine. In the first study, drug-exposed monkeys exhibited less flexibility than controls in adjusting to changing circumstances; in the second study, drug-exposed males exhibited a greater preference than controls for having rewards right away, a sign of impulsivity.
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Potential Pain Medication Targets Peripheral Nerves

September 2012

Researchers report a significant advance in the search for medications that can suppress pain but avoid opioids’ abuse potential and other undesirable CNS effects. A new compound reduces mouse responses in animal models of neurogenic and chronic inflammatory (e.g., arthritic) pain. The compound, called UB937, enhances the natural pain-killing activity of the neurotransmitter anandamide, and exerts its analgesic effects entirely in peripheral tissues, without entering the brain.
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Prenatal Methamphetamine Exposure Linked With Problems

December 2012

Study findings indicate that children exposed to methamphetamine prenatally show more signs of increased emotionality, anxiety, and depression than nonexposed children at ages 3 and 5 years.

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