Mephedrone and methylone, two stimulants commonly found in designer drugs such as “bath salts,” act on the brain much like MDMA (Ecstasy).
Researchers correlate stimulant abusers’ improved performance on a memory training exerc ise with reductions in delay discounting.
Describes study findings revealing that the act of smoking, apart from actual or expected nicotine delivery, may soothe a smoker's negative mood.
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.
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.
A brain imaging study strongly suggests that regular users of marijuana have smaller orbitofrontal cortex (OFC) volumes. Such a deficit could make it more difficult to change counterproductive behaviors, including drug use.
Reports on a discovery of previously unrecognized dopamine receptors in the brain that when triggered by drug abuse lead to potentially long-term neuronal effects.
April 2010 Highlights new video clips on NIDA's Web site for teens that explore the dangers of drug abuse and that address questions from youth and their parents on the topic.
Reports findings that a rare neuroreceptor may be linked to the intensive cravings cocaine abusers experience during their first weeks of abstinence.
Announces the recipient of a 2009 award for innovation in research on drug addiction and alcoholism whose research focuses on the cellular changes that occur in response to chronic cocaine abuse.