Lambert Center for the Study of Medicinal Cannabis & Hemp

Data Resources & Links

Data Links and Resources provides an online repository of links to various reports, guidance, and data links to various measures, surveys, and national databases, which is intended as a repository of accessible resources for the public.

Bloomberg Law. Accessed 12/4/2020 at

State Marijuana Policies Timeline – *Pending 2019-2020 update*

This timeline shows the progression of marijuana legislation in the states since California first legalized medical marijuana in 1996. is a database of privately and publicly funded clinical studies conducted around the world. Search for cannabis.


PubMed® is a free resource supporting the search and retrieval of biomedical and life sciences literature with the aim of improving health – both globally and personally. It comprises more than 30 million citations for biomedical literature from MEDLINE, life science journals, and online books. Citations may include links to full-text content from PubMed Central and publisher websites. Available to the public online since 1996, PubMed was developed and is maintained by the National Center for Biotechnology Information (NCBI), at the U.S. National Library of Medicine (NLM), located at the National Institutes of Health (NIH).


MedlinePlus (a service of the National Library of Medicine) brings together authoritative information from the National Institutes of Health as well as other government agencies and health-related organizations.


A nonprofit, open access publisher empowering researchers to accelerate progress in science and medicine by leading a transformation in research communication.

The Current State of Evidence and Recommendations for Research (2017)

The Health Effects of Cannabis and Cannabinoids provides a comprehensive review of scientific evidence related to the health effects and potential therapeutic benefits of cannabis. This report provides a research agenda – outlining gaps in current knowledge and opportunities for providing additional insight into these issues – that summarizes and prioritizes pressing research needs. Free PDF download available.

The Health and Social Effects of Nonmedical Cannabis Use

The report was prepared by the Management of Substance Abuse (MSB) unit in the Department of Mental Health and Substance Abuse (MSD) of the World Health Organization (WHO), Geneva, Switzerland.

US Food and Drug Administration (FDA)

The FDA has a number of resources, including Consumer Information, FDA Communications, Regulatory Resources, and Questions and Answers available that address cannabis and cannabis-derived products, such as CBD. 

FDA Regulation of Cannabis and Cannabis-Derived Products, Including Cannabidiol (CBD)

Prescription Drug Abuse Policy System (PDAPS)

A source of rigorous legal data for researchers and detailed policy information for the public. PDAPS was created with funding from the National Institute on Drug Abuse to track key state laws related to prescription drug abuse. Click on any topic area to reach an interactive page where you can investigate the history and features of the law, or download data and other documentation for research. Medical marijuana state laws and regulations governing the production, transport, sale, quality, and consumption of marijuana for therapeutic purposes.

The Policy Surveillance Program - A LawAtlas Project includes datasets produced through funding from the US Centers for Disease Control and Prevention, the World Health Organization, Pew Charitable Trusts, the Arnold Foundation, Trust for America’s Health, the Hopewell Fund, National League of Cities, and others. Data on are used by researchers, policymakers, advocates, and others, and have been cited by media and in scholarly work more than 100 times since 2014.

Monitoring the Future

Since 1975, the MTF survey has measured drug and alcohol use and related attitudes among adolescent students nationwide. Survey participants report their drug use behaviors across three time periods: lifetime, past year, and past month.

NIDAMED: Clinical Resources - Marijuana

Centers for Disease Control and Prevention (CDC)

Search Marijuana or Cannabis for reports, data, journals, FAQs, and fact sheets.

National Survey on Drug Use and Health (NSDUH)

NSDUH measures:

  • Use of illegal drugs, prescription drugs, alcohol, and tobacco, and misuse of prescription drugs.
  • Substance use disorder and substance use treatment, major depressive episodes, and depression care.
  • Serious psychological distress, mental illness, and mental healthcare.

The data provide estimates of substance use and mental illness at the national, state, and substate levels. NSDUH data also help to identify the extent of substance use and mental illness among different subgroups, estimate trends over time, and determine the need for treatment services.

Pennsylvania Health Care Cost Containment Council (PHC4)

The council collects inpatient hospital discharge and ambulatory/outpatient procedure records from hospitals and freestanding ambulatory surgery centers in Pennsylvania. These data, which include hospital charge and treatment information as well as other financial data, are collected on a quarterly basis and then verified by PHC4 staff. The council also collects data from managed care plans on a voluntary basis.


Statista uses a variety of sources of information available to monitor the prevalence and trends regarding marijuana use in the United States. Resources cover a variety of marijuana-related issues, including data around usage, emergency room data, substance use and abuse data, policy measures, and other related tools.

A special project undertaken by a small consultancy specializing in health research classification, analysis, and strategic development.

United Nations Commission on Narcotic Drugs

The Commission on Narcotic Drugs is mandated to decide on the scope of control of substances under the three International Drug Control Conventions.

National Conference of State Legislatures (NCSL)

State medical marijuana laws and other resources.

National Institute for Cannabis Health and Education (NICHE) - Canada

NICHE is a not-for-profit corporation established to support the development of public policy and research to assist all levels of government and communities manage the key issues tied to the legalization of cannabis. NICHE works to identify gaps in knowledge across academia, governments, industry, governments, and other stakeholders by sharing information and facilitating dialogue, working towards the creation of a safe and successful cannabis industry in Canada.

Medical Cannabis Network – Health Europa

Medical Cannabis Network provides information on medical cannabis and CBD policy and regulation news from across the medicinal cannabis, CBD, and THC sectors.