A new study proposes that research into the discrete roles played by the brain’s two hemispheres could yield important and actionable insights into drug use and addiction. Evidence indicates that two risk factors for substance use, impulsivity and craving, primarily reflect activity in the right and left hemispheres, respectively.
Can marijuana use put offspring at heightened risk for opiate addiction, even if the use stops before the offspring are conceived? Results from a recent NIDA-funded study are consistent with other studies suggesting that a parent’s history of drug use, even preconception, may affect a child’s brain function and behavior.
A NIDA-supported study has found that a cocaine-addicted person’s chance of managing 1 whole year of abstinence correlates with activity levels in these impaired motivational and decision-making brain areas.
October 2010 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.