Describes research providing evidence that chronic methamphetamine abuse is associated with increased microglial cell activity in the brain leading to neurodegeneration.
Highlights research showing methamphetamine abusers may have more difficulty than nonabusers in responding with empathy and self-control to people who are experiencing intense emotions.
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.
Reports on a study investigating the effectiveness of a combined therapy of disulfiram and naltrexone for people who abuse cocaine and alcohol.
Reports on research providing evidence that teaching aggressive youngsters social coping skills reduces their chances of becoming substance abusers.
Highlights trends from a 2008 survey of teenage substance abuse, cigarette smoking and alcohol use and discusses the implications of these changing data.
Highlights NIDA’s second annual Chat Day where NIDA scientists and staff responded to drug abuse and addiction questions from teachers and students.
Describes research revealing that for up to 6 weeks after smokers quit, their brain cells have more nicotine-binding receptors than nonsmokers, which may explain the struggle to quit.
Describes research showing that cocaine abusers appear to have a rapid neural response to reward cues outside of their awareness, possibly signifying vulnerability to relapse.
Reports on an animal study suggesting that the manic stage of bipolar disorder promotes signs of drug abuse vulnerability by enhancing sensitivity to rewards, both natural and drug-related.