Estimulantes

Reports animal study findings that suggest adolescents' heightened sensitivity to drug reward puts them at enhanced risk of addiction and may also increase their challenges in recovery.

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

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 research investigating whether certain medications might strengthen patients' understanding and memory retention.

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.

Reports on a study of cocaine abusers revealing that the Stroop test may predict which cocaine abusers are likely to drop out of therapy.

Reports on a study investigating the use of incentives in the form of prizes to motivate outpatients to stay in behavioral therapy and remain drug free.

Describes a study investigating the effectiveness of modafinil in enhancing sleep among cocaine abusers who are currently abstinent.