A gene implicated in schizophrenia risk is also associated with risk for...
A paper by Shizhong Han and colleagues in the current issue of Biological Psychiatry implicates a new gene in the risk for cannabis dependence. This gene, NRG1, codes for the ErbB4 receptor, a protein...
View ArticleHaving multiple sex partners linked to later drug and alcohol problems
The more sex partners young adults have the more likely they are to go on to develop alcohol or cannabis dependence disorders in young adulthood, according to new University of Otago research.
View ArticleCannabis withdrawal symptoms common among adolescents treated for substance...
Although cannabis – commonly known as marijuana – is broadly believed to be nonaddictive, a study by Massachusetts General Hospital (MGH) investigators found that 40 percent of cannabis-using...
View ArticleFrequent cannabis use in adolescence linked with reduced educational attainment
Individuals who are daily users of cannabis before age 17 are over 60% less likely to complete high school or obtain a degree compared to those who have never used the drug, new research published in...
View ArticleResearchers study how marijuana impacts driving
A new study conducted at the University of Iowa's National Advanced Driving Simulator has found drivers who use alcohol and marijuana together weave more on a virtual roadway than drivers who use...
View ArticleAlcohol, pot combo impairs driving more than either alone
(HealthDay)—Drinking alcohol and smoking pot at the same time hampers driving skills more than consuming one alone does, a new study shows.
View ArticleMarijuana dependence influenced by genes, childhood sexual abuse
Genetic variation within the endocannabinoid system may explain why some survivors of childhood adversity go on to become dependent on marijuana, while others are able to use marijuana without...
View ArticleDrug curbs marijuana use, but with tough side effects
Combining the drug topiramate with psychological counseling curbed marijuana use among young smokers significantly more than did counseling alone, according to newly published results of a small...
View ArticleGenome-wide association study of cannabis
Cannabis dependence is a serious problem worldwide and it is of growing importance in the United States as marijuana becomes increasingly legal.
View ArticleMixing cannabis with tobacco increases dependence risk, suggests study
Tobacco and cannabis are two of the world's most popular drugs, used respectively by 1 billion and 182 million people worldwide (World Health Organization; United Nations Office on Drugs and Crime)....
View ArticleSmoking marijuana provides more pain relief for men than women
Researchers from Columbia University Medical Center (CUMC) found that men had greater pain relief than women after smoking marijuana.
View ArticleCannabis abuse alters activity of brain regions linked to negative emotion
Young people with cannabis dependence have altered brain function that may be the source of emotional disturbances and increased psychosis risk that are associated with cannabis abuse, according to a...
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