Health

Cannabis—what's the harm?

A researcher of the effects of cannabis says any law change to free up the drug's availability needs to take account of scientifically-robust data showing regular use in young people is associated with a higher risk of mental ...

Psychology & Psychiatry

Genome-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.

Addiction

Drug 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 randomized, controlled trial ...

Psychology & Psychiatry

Marijuana 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 problems, suggests new research ...

Addiction

Researchers 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 either substance independently. ...

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