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A dangerous gateway drug? A harmless recreational substance? Something in between? In their new book 鈥�,鈥� Karen T. Van Gundy and Michael S. Staunton look at the data that can help provide answers to these questions and more.

鈥淚t鈥檚 the sort of book I thought I would want to write, and it was time for us to have a book like this,鈥� explains Van Gundy, associate professor of sociology, core faculty in justice studies and faculty fellow at 易胜博官网鈥檚 . 鈥淏ut we didn鈥檛 realize how timely it would be with the .鈥�

, a publisher of reference and professional development resources, contacted Van Gundy about writing the book as a go-to source for information on the positive and negative impacts of marijuana. Van Gundy invited Staunton, a doctoral candidate in sociology who has also worked as a graduate research assistant at the Carsey School, to collaborate on the book with her.

鈥淚 like to collaborate with graduate students,鈥� she says, adding. 鈥淚 would not have been able to write this book without Michael.鈥�

鈥淎nd I certainly wouldn鈥檛 have been able to do this without Karen,鈥� Staunton echoes.

Over many months, Van Gundy and Staunton pored over research from fields including medicine, criminology, psychology and sociology to examine claims made about marijuana. 鈥淲e came at the topic with no agenda,鈥� Van Gundy explains. 鈥淥ur goal was to do the research into the medical and legal implications.鈥�

The book focuses on key topics 鈥� patterns and trends, risks and benefits and policy considerations 鈥� and examines data on marijuana use and misuse trends in the country. 鈥淲e organized the book around questions such as whether marijuana use is more widespread than ever before,鈥� Van Gundy says, adding she and Staunton evaluated claims about medical risks, examined the history of marijuana legislation and looked at potential causes and consequences of marijuana use. 鈥淲e came up with questions that could be taught in classes,鈥� says Van Gundy, who is in the process of developing a course around the book. 鈥淚t really gets at that critical thinking.鈥�

鈥淲e wanted it to be readable without falling into the trap of oversimplifying. This was the challenge,鈥� Staunton adds. 鈥淲e did a fair bit of delving into the methods used to get specific statistics.鈥�

And there were many discoveries in their research. For example, the patterns and trends they examined indicate marijuana use among adults has increased in the past decade, but marijuana misuse has not. 鈥淣o matter what the laws are, we generally don鈥檛 see misuse fluctuate that much,鈥� Van Gundy says, 鈥渁nd youth are using and misusing at lower rates.鈥� For the purposes of the research, "use" refers to any self-reported use of marijuana during a period of time while 鈥渕isuse鈥� refers to self-reported symptoms that qualify respondents for marijuana use disorder, such as abuse or dependence.

鈥淭he myths, realities and perceptions have changed dramatically over time,鈥� Staunton adds, but he notes there have always been misconceptions, ranging from the marijuana-makes-murderers theme of cult classic in the 1930s to the perception that marijuana use brings a complete lack of motivation that was pervasive in the 1960s.

Van Gundy and Staunton鈥檚 research also indicates medical marijuana laws have not contributed to increases in the use of other psychoactive substances or opioid overdose rates, while a large number of studies show the therapeutic utility of the drug for certain kinds of conditions. As for the perception that marijuana is a gateway drug, Van Gundy notes the research does not support the idea that marijuana use causes misuse of more dangerous substances, with the indication that drug abuse typically has more to do with toxic environments.

With so many Americans having personal experience with marijuana either by trying it themselves or knowing people who have, 鈥渞esearch means challenging personal assumptions,鈥� Staunton says.

鈥淚t鈥檚 not about what you think. It鈥檚 about what the science says,鈥� Van Gundy adds. 鈥淵ou can鈥檛 take just one story and say it is the end-all be-all.鈥�

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