JNeurosci (2017)” This working model shows how chronic exposure to the psychoactive component of marijuana may increase dopamine levels by altering the function of an inhibitory cell type, contributing to the drug’s pleasurable and potentially addictive qualities. Credit: Friend et …

UBC Okanagan psychology professor Zach Walsh recently published a study examining the roles independent marijuana dispensaries play in cannabis access. Credit: UBC Okanagan UBC researchers are cautioning policy makers not to alter a cannabis distribution system that—while not legal yet—works …

(HealthDay)—In light of the changing legal status of marijuana, physicians should provide counseling on its effects to adolescents, according to an opinion article published online Oct. 9 in JAMA Pediatrics. Jonathan Reiss, M.D., from the University of California in San …

Credit: CC0 Public Domain Legalising marijuana can lead to increased use of the drug, according to a French study that looked at consumption levels in two US states and Uruguay in the midst of a debate over France’s narcotics laws. …

A University of Washington study has found that asking preteens about substance use doesn’t prompt them to try alcohol, tobacco or drugs. Credit: Lexie Flickinger/Flickr It is an oft-repeated fear, particularly among parents: that discussing an undesirable behavior, or even …

Early research from Queen Mary University of London has potentially found an antidote that can rapidly stop the intoxicating effects of cannabis and synthetic cannabinoids. Synthetic cannabinoids, such as ‘Spice’ and ‘Black Mamba’, are becoming an increasing problem, especially with …

Human sperm stained for semen quality testing in the clinical laboratory. Credit: Bobjgalindo/Wikipedia Having children can sometimes be a crapshoot. Some couples achieve pregnancy on the first try, while other can try for years with no success. Mayo Clinic urologist …

In this April 18, 2014 file photo, a caregiver points out the strength of an edible marijuana candy bar at a medical marijuana dispensary in Denver. Starting Oct. 1, Colorado is requiring that marijuana products have a bolder label highlighting …

Dr. Shafali Jeste has no tolerance for those who would promote therapies for treating autism that lack any scientific basis. Credit: University of California, Los Angeles Dr. Shafali Jeste knows well the desperation of a parent seeking a cure for …

Cannabis indica. Credit: Wikipedia Researchers at Portland State University found benzene and other potentially cancer-causing chemicals in the vapor produced by butane hash oil, a cannabis extract. Their study raises health concerns about dabbing, or vaporizing hash oil – a …