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Washington State University
College of Arts and Sciences Cannabis

Collaborative research indicates behavioral effect of vaporized cannabis

Medicinal cannabis.A study conducted by a team of WSU researchers found rats with regular access to cannabis seek more of the substance and tend to show increased drug-seeking behavior when cannabis is absent.

The research—a collaboration of chemists, psychologists, and neuroscientists—is the next step in better understanding cognitive and neural effects of cannabis use in humans. » More …

Cannabis use and entrepreneurial creativity

Cannabis.New venture ideation is critical to the entrepreneurial process. To generate creative ideas, some entrepreneurs turn to cannabis, proposing its benefits.

A new study by WSU psychology and business professors found cognitive, motivational, and experiential factors jointly shape creativity in new venture ideation. And while cannabis-using entrepreneurs in the study generated new business ideas that were more original—such as a weightless, gravity-free virtual » More …

Cannabis use blunts stress reactivity in female rats

Medicinal Marijuana.Female rats that inhaled vaporized cannabis daily for a month developed a blunted physiological response to stress, according to a new study by WSU researchers.

In contrast, male rats that were provided access to the same potency of cannabis over the same 30-day window did not experience any physiological changes in » More …

Cannabis reduces OCD symptoms in the short term

Cannabis.People with obsessive-compulsive disorder, or OCD, report that the severity of their symptoms was reduced by about half within four hours of smoking cannabis, according to a Washington State University study.

“The results overall indicate that cannabis may have some beneficial short-term but not really long-term effects on obsessive-compulsive disorder,” said Carrie Cuttler, WSU assistant professor of psychology and the study’s corresponding author. “To me, the CBD findings are really promising because » More …

Psychologists study cannabis, PTSD relief connection

Cannabis leaf.According to a recent study led by Carrie Cuttler, assistant professor of psychology, people suffering from post‑traumatic distress disorder report that cannabis reduces the severity of their symptoms by more than half, at least in the short term.

Cuttler and her colleagues analyzed data of more than 400 people who tracked changes in their PTSD symptoms before and after cannabis use with Strainprint, an app developed to help » More …

Study cites law enforcement concerns

Police lights.A new study by WSU criminal justice researchers found increased drugged driving, greater youth access to marijuana, and insufficient officer training are a few of the concerns expressed by police officers in the first state to legalize recreational cannabis sales to adults. While the officers did not support recriminalization, they noted several issues with the implementation of Washington state’s 2012 law legalizing cannabis.

Researchers evaluated the effects of legalizing cannabis on the state’s law enforcement efforts and said the experiences of Washington officers could help inform other » More …

Researching potential negative effects of cannabis

Medicinal Marijuana.Coughing fits, anxiety and paranoia are three of the most common adverse reactions to cannabis, according to a recent study by the WSU Health and Cognition Laboratory.

Researchers surveyed more than 1,500 college students on the type and frequency of adverse reactions they had experienced while using cannabis for their study in the Journal of Cannabis Research. They also collected information on the students’ demographics, personality traits, cannabis use patterns » More …

The sky isn’t falling

Cannabis.More than a few citizens held their breath when Washington legalized recreational cannabis in 2012.

“There were many who believed it would trigger a massive increase in youth use and marijuana-related traffic collisions and fatalities,” says Clay Mosher, sociology professor at WSU Vancouver.

“But in the five years since sales began, those increases in youth use have not manifested, and while there have been some spikes in polydrug driving, they aren’t as significant as predicted.” » More …

Seeding big-picture, interdisciplinary research

A detail of a classic Mayan polychrome vessel depicting a deer hunt.With support from Interdisciplinary Research and Innovation Seed (IRIS) grants, CAS faculty and graduate students in diverse areas are combining forces with colleagues across the university to tackle critical questions by integrating knowledge in a wide array of fields—criminology, biology, English, medicine, archaeology, nursing, and more.

“The IRIS grant program supports faculty efforts to build collaborative relationships and advance our interdisciplinary creative activities, scholarship, and » More …

Study finds minimal effect on major crime from legal marijuana sales

Plastic bag containing marijuana.Legalizing recreational marijuana has had minimal effect on violent or property crime rates in Washington and Colorado, a WSU study funded by the National Institute of Justice has found.

“As the nationwide debate about legalization, the federal classification of cannabis under the Controlled Substances Act, and the consequences of legalization for crime continues, it is essential to center that discussion on studies that use contextualized and robust research designs » More …