Women with post-traumatic stress disorder (PTSD) who abused drugs responded better to substance abuse treatment after their PTSD symptoms improved, according to a recent study, which also found that reductions in substance abuse did not ease PTSD severity
April 2012 Dr. Volkow discusses NIDA’s efforts to develop effective antismoking treatments for populations with persistently high rates of smoking, such as people with psychiatric disorders, high school dropouts, and Native Americans.
New research suggests that differences in tobacco consumption reflect, in part, differences in the functional efficacy of a specific type of receptor in a pathway of the brain. In animal studies, nicotinic acetylcholine receptors with the α5 subunit played a key role in producing aversive responses to nicotine, thereby dissuading further consumption of the drug.
Helping smokers deal with financial problems could improve their chances of staying abstinent after receiving treatment, according to a new study. Participants with the most financial strain had the least success in remaining abstinent.
November 2011 In a new series of studies tracing the molecular events that occur in the brain as memories are formed and preserved, researchers find that certain epigenetic changes may promote vulnerability to relapse.