March 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.

October 2007

Presents highlights of a study indicating that exposure to morphine during adolescence may increase sensitivity to the drug during adulthood.

October 2007
Building on knowledge from developmental and cancer biology, addiction researchers are learning how acute and chronic cocaine exposure regulates certain genes.

Reports on the work of addiction researchers who are learning how acute and chronic cocaine exposure regulates certain genes, based on knowledge from developmental and cancer biology.

October 2007
Orexin emerges as a link in the chain of brain mechanisms regulating appetite for rewards.

Reports on two studies indicating that orexin, a neuropeptide that stimulates eating and regulates wakefulness, also fosters animals' drug seeking and craving responses to drugs.

October 2007

Describes research that has led to the development of a new tool, a new radiotracer, for studying the neurobiology of depression, attention deficit hyperactivity disorder, and stimulant abuse.

April 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.

February 2007

Summarizes an animal study of the neural changes in the amygdala portion of the brain that occur as a result of cocaine exposure followed by withdrawal of the drug.

February 2007
A study documented changing emotional and neurobiological responses to cocaine with successive doses during a single session of drug taking.

Reports on a study that documenting changing emotional and neurobiological responses to cocaine with successive doses during a single session of drug taking.

February 2007
Exposure to the drug during gestation or adolescence may cause lasting alterations in reward and motivation circuits.

Describes animal studies that suggested exposure to the drug during gestation or adolescence may cause lasting alterations in reward and motivation circuits.

October 2006

Highlights data from an annual national survey of youth showing a pattern of rising nonmedical use of sedatives among high school seniors.

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