NIH-funded research R37 grant

Investigating how cannabis legalization affects tobacco use among youth and adults

Official title: Cannabis Legalization's Effects on Youth and Adult Nicotine and Tobacco Use

Funded at Yale University · NIH-10929558 · Data updated 2026-11-12

This study looks at how legalizing recreational cannabis affects tobacco use among both young people and adults, helping us understand if people are using cannabis instead of or alongside tobacco products, so we can give helpful information to those making health policies.

More Cannabis research and trials

Quick facts

Grant typeR37 grant
Study typeNIH-funded research
Funding institutionYale University
NIH-funded
Lab location1 site (New Haven, United States)
Project startSeptember 15, 2023
Project endJuly 31, 2028
Funding year2024
Award (this year)$521,709
NIH project number5R37DA058005-02
Project IDNIH-10929558 on NIH RePORTER

Who could benefit from this research

Could help

Ideal candidates for this research include individuals aged 20 and under, as well as adults over 21 who use or are affected by tobacco and cannabis products.

Less likely to help

Patients who do not use tobacco or cannabis products may not receive direct benefits from this research.

What this research studies

This research examines the impact of recreational cannabis legalization on tobacco product use, focusing on both youth and adults. It aims to understand whether cannabis acts as a substitute or complement to tobacco products, including cigarettes and electronic nicotine delivery systems. By compiling a comprehensive database of cannabis policies and matching it with national survey data, the study seeks to provide insights that can inform policymakers about the health implications of cannabis laws. The findings could help shape regulations that better protect community health.

Why it matters

Potential benefit: If successful, this research could lead to more informed cannabis policies that reduce tobacco use and improve public health outcomes.

How similar studies have gone: While there have been some studies on cannabis and tobacco use, this research aims to fill gaps in understanding the specific effects of cannabis legalization, making it a novel approach.

Where this research is happening

  • Yale University
    New Haven, United States
    Active

Researchers

  • Principal investigator: Friedman, Abigail S. — Yale University
  • Study coordinator: Friedman, Abigail S.

Related research

Other NIH-funded projects on the same topics.

About this research

  1. This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
  2. Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
  3. For full project details, budget, and progress reports, visit the official NIH RePORTER page.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.