Study participants who received an integrated treatment for posttraumatic stress disorder (PTSD) and substance dependence plus usual treatment for substance dependence showed significantly greater reductions in PTSD symptom severity compared with participants who only received usual treatment for substance dependence, according to a study in the August 15 issue of JAMA, a theme issue on […]
Among patients who underwent bariatric surgery, there was a higher prevalence of alcohol use disorders in the second year after surgery, and specifically after Roux-en-Y gastric bypass, compared with the years immediately before and following surgery, according to a study in the June 20 issue of JAMA.
Research into alcohol’s effect on juvenile rats shows they have an ability to build up a physical, but not cognitive, tolerance over the short term.
Chronic exposure to cocaine reduces the expression of a protein known to regulate brain plasticity, according to new, in vivo research on the molecular basis of cocaine addiction. That reduction drives structural changes in the brain, which produce greater sensitivity to the rewarding effects of cocaine. The finding suggests a potential new target for development […]
A five year study conducted with thousands of local teenagers by University of Montreal researchers reveals that those who used speed (meth/ampthetamine) or ecstasy (MDMA) at fifteen or sixteen years of age were significantly more likely to suffer elevated depressive symptoms the following year. The student results were published in Journal of Epidemiology & Community […]
Between 2000 and 2009 in the United States, the annual rate of maternal opiate use increased nearly 5-fold, while diagnosis of the drug withdrawal syndrome among newborns, neonatal abstinence syndrome (NAS), increased almost 3-fold, accompanied by a substantial increase in hospital charges related to NAS, according to a study published online by JAMA. The study […]
Different ingredients in marijuana appear to affect regions of the brain differently during brain processing functions involving responses to certain visual stimuli and tasks, according to a report in the January issue of Archives of General Psychiatry, one of the JAMA/Archives journals. Sagnik Bhattacharyya, M.B.B.S., M.D., Ph.D, at the Institute of Psychiatry, King’s College in […]
Cigarette and alcohol use by eighth, 10th and 12th-graders are at their lowest point since the Monitoring the Future (MTF) survey began polling teenagers in 1975, according to this year’s survey results. However, this positive news is tempered by a slowing rate of decline in teen smoking as well as continued high rates of abuse […]