Proceedings of the National Academy of Sciences (PNAS), a peer reviewed journal of the National Academy of Sciences (NAS) - an authoritative source of high-impact, original research that broadly spans...

Advancing theory and designing more effective public policy.

YouTube video by Plain English with Derek Thompson

Join the RAND Epstein Family Veterans Policy Research Institute for a discussion on U.S. veterans’ use of psychedelic substances, their psychedelic policy preferences, and how they compare with nonvet...

What does the evidence say about U.S. veterans' use of specific psychedelic substances (such as psilocybin mushrooms, LSD, and ibogaine), their psychedelics policy preferences, and how these compare w...

What does the evidence say about U.S. veterans' use of specific psychedelic substances (such as psilocybin mushrooms, LSD, and ibogaine), their psychedelics policy preferences, and how these compare w...

Much of the confusion surrounding decriminalization stems from two issues: misuse of the term and bundling it with other policy changes.

What does the evidence say about U.S. veterans' use of specific psychedelic substances (such as psilocybin mushrooms, LSD, and ibogaine), their psychedelics policy preferences, and how these compare w...

RAND researchers assessed the cannabis policy landscape in Indiana and highlighted important differences from other states.

The 2025 RAND Psychedelics Survey is the first probability-based and nationally representative survey to measure U.S. public opinion about legalizing three psychedelic substances: psilocybin mushrooms...

The 2025 RAND Psychedelics Survey is the first probability-based and nationally representative survey to measure U.S. public opinion about legalizing three psychedelic substances: psilocybin mushrooms...

An estimated 10 million U.S. adults reported microdosing psilocybin, LSD, or MDMA in 2025. That's according to a new RAND study that draws on a first-of-its-kind survey.

An estimated 10 million U.S. adults reported microdosing psilocybin, LSD, or MDMA in 2025. That's according to a new RAND study that draws on a first-of-its-kind survey.

A synthesis of government and social media data suggests a disruption, possibly tied to events in China

There’s no breathalyzer test for driving under the influence of cannabis. But there are other options.

A Talk by Professor Laura Atuesta, Phillip Screen, Hamid Azizi, Rafaella Lipschitz & Dr Peter Reuter PhD

For states considering psilocybin legalization, policymakers and researchers should be specific about the policy changes being considered and understand that there are many policy options for the supp...

The RAND Drug Policy Research Center provides a firm, empirical foundation on which sound drug policies can be built.

The ISSDP Board is delighted to introduce two new initiatives to increase global south engagement in the Society. These were announced at the 2025 ISSDP Annual General Meeting and received strong s…

After finding the homeschooling life confining, the teen petitioned her way into a graduate class at Berkeley, where she ended up disproving a 40-year-old conjecture.

We seek nominations to fill the vacancy of the Vice President. We wish particularly to encourage nominees from the global south.

Mark Kleiman, 1951–2019

Objective: Amid continuously rising concentrations of delta-9-tetrahydrocannabinol (THC) in cannabis (i.e., potency), high-potency cannabis is a major topic in contemporary cannabis policy discussions...

Psychedelics such as psilocybin mushrooms have long been touted as holding promise for treating various mental health conditions. As more U.S. state and local officials ease regulations on the substan...

United States Senate Special Committee on Aging

While the outcry over the kidnapping and murder of U.S. citizens by members of the Gulf Cartel in Mexico is understandable, stridency should not preclude strategic assessment. America's problem with d...