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NIDA Notes Articles: Ciencia de la adicción

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Researchers Develop a New Tracer for Cannabinoid Receptor

Marzo del 2008
Describes a new chemical tracer that binds specifically to cannabinoid receptors making it potentially useful in future research to clarify the relationship between the receptors and drug abuse.

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Scientists Pinpoint Brain's Sweet Tooth

abril del 2007
Reports on research that successfully traced rats’ liking for sweets to a 1-cubic millimeter site in the medial shell of the nucleus accumbens in the brain.

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Sensory Aspects of Smoking May Counter Bad Mood, Craving

octubre del 2009

Describes study findings revealing that the act of smoking, apart from actual or expected nicotine delivery, may soothe a smoker's negative mood.

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Stimulant Abusers' Regard for Future Improves With Memory Training

diciembre del 2011

Researchers correlate stimulant abusers’ improved performance on a memory training exerc ise with reductions in delay discounting.

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Stimulants in “Bath Salts” Produce Effects Similar to MDMA

agosto del 2013

Mephedrone and methylone, two stimulants commonly found in designer drugs such as “bath salts,” act on the brain much like MDMA (Ecstasy).

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Stimulus Money Will Fund a Surge in Knowledge

abril del 2009

Describes NIDA’s drug abuse and addiction research priorities for the use of the American Recovery and Reinvestment Act of 2009 funds.

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Stress-Induced Enzyme Compounds Methamphetamine Neurotoxicity

enero del 2014

Ketoprofen, an anti-inflammatory agent commonly prescribed to treat arthritis, reduces neuronal damage in rats that have been exposed to chronic stress and methamphetamine. If this finding of a recent NIDA-supported study extrapolates to humans, anti-inflammatory medications may gain a place in the treatment of methamphetamine addiction.

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Studies Link Family of Genes to Nicotine Addiction

diciembre del 2009

Reports study results suggesting that genes for several acetylcholine receptor proteins influence early smoking responses and the likelihood of nicotine dependence.

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Study Finds Genetic Influence on African Americans’ Smoking

noviembre del 2013

A meta-analysis of 13 genome-wide association studies of African Americans’ smoking patterns confirms the significance of genetic variation in region 15q25.1. The analysis also tentatively implicates several genome locations that have not previously been associated with smoking behaviors.

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Study Pinpoints Cognitive Deficits Due to Cocaine, Finds Potential for Recovery

agosto del 2013

New research demonstrated that, in rhesus monkeys, ongoing cocaine exposure weakens two brain functions that people require for successful behavioral change: cognitive flexibility and memory. But the study determined that these changes may not be permanent.

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Toma el reto nacional sobre el coeficiente intelectual (CI) sobre las drogas