October 2010 Reports evidence that a cocaine-induced change in the structure of brain cells represents an adaptive response that may limit the drug’s impact.
This animation shows the rapid passage of cocaine through the brain. It demonstrates that the intensity of the cocaine “high” parallels the trajectory of cocaine levels in the brain.
Reports on evidence that toluene abuse can harm the nervous system and body, although scientists know relatively little about its specific actions.
Highlights an animal study involving the self-administration of nicotine among adolescent and adult rats to gain understanding of their potential vulnerability to the substance.
Research shows that some gene variants that influence body mass index also shape smoking behaviors.