Presents highlights of a study indicating that exposure to morphine during adolescence may increase sensitivity to the drug during adulthood.
October 2007 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.
Describes an NIH-wide obesity task force and research plan and explores some of the links between addiction and compulsive eating.
Describes the role of the Division of Clinical Neuroscience and Behavioral Research in NIDA’s drug abuse and addiction research plan.
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.
April 2007 Announces the recipient of a 2006 award for innovation in research on drug addiction and alcoholism, Dr. Yavin Shaham, and describes his research which focused on the stress-induced drug use relapse.
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 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 Describes animal studies that suggested exposure to the drug during gestation or adolescence may cause lasting alterations in reward and motivation circuits.
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.