Ciencia de la adicción

Highlights activities held during Brain Awareness Week for students in Maryland, Virginia, and Washington, DC, to learn about brain anatomy and function.

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.

Reports findings that a rare neuroreceptor may be linked to the intensive cravings cocaine abusers experience during their first weeks of abstinence.

Commemorates NIDA’s 35th anniversary and highlights some of the major accomplishments since the Institute’s inception in 1974.

Announces NIDA Notes’ first place 2009 award that salutes superior communications efforts of government agencies.

Describes research results reporting that people who favor novelty have lower-than-average availability of a receptor that inhibits dopamine's release from neurons, which likely stimulates the activity of reward circuits.

Describes study findings revealing that cocaine abusers who maintain high levels of a certain receptor in their brain during early abstinence relapse sooner than abusers whose levels drop.

Reports on two studies that demonstrate the promise of treating addiction with medications that alleviate drug-induced alterations in signaling by the neurotransmitter glutamate.

Reports on two studies showing a high prevalence of HIV infection and more rapid progression to disability and death among drug abusers.

Reports evidence that a cocaine-induced change in the structure of brain cells represents an adaptive response that may limit the drug’s impact.