NIH-funded research NIH-funded research

Flavor rules and youth smoking/vaping: what happens when flavors are restricted

Official title: Assessing the Impact of Flavor Restrictions on Smoking and Vaping

Funded at University of Michigan at Ann Arbor · NIH-11421858 · Data updated 2026-11-12

A nationwide study will look at how banning or limiting flavored tobacco products affects how often adults and youth smoke or vape.

More Smoking research and trials

Quick facts

Grant typeNIH-funded research
Study typeNIH-funded research
Funding institutionUniversity of Michigan at Ann Arbor
NIH-funded
Lab location1 site (Ann Arbor, United States)
Project startSeptember 14, 2018
Project endAugust 31, 2028
Funding year2026
Award (this year)$711,640
NIH project number5U54CA229974-09
Project IDNIH-11421858 on NIH RePORTER

Who could benefit from this research

Could help

Ideal candidates include adults and adolescents in the United States residing in areas with or without ENDS flavor restrictions, who have used tobacco products.

Less likely to help

Individuals not using tobacco products or not residing in areas affected by flavor restrictions may see limited direct benefit.

What this research studies

This research will use existing national surveys and sales data to compare areas with flavor restrictions to those without, aiming to understand how these policies influence use of cigarettes, cigars, and ENDS. It will apply quasi-experimental methods to estimate causal effects despite not having randomized policy assignment. The study will also examine whether effects differ by urban vs. rural areas and by demographics, and will consider longer-term health implications and disparities. The project focuses on real-world policy outcomes that could inform future regulation and public health efforts.

Why it matters

Potential benefit: If successful, the findings could guide policymakers on which flavor policies most effectively reduce youth vaping and smoking and improve health outcomes.

How similar studies have gone: Previous studies have produced mixed results; this project seeks to provide clearer, nationally representative estimates using robust methods.

Where this research is happening

  • University of Michigan at Ann Arbor
    Ann Arbor, United States
    Active

Researchers

  • Principal investigator: Friedman, Abigail S. — University of Michigan at Ann Arbor
  • Study coordinator: Friedman, Abigail S.

Related research

Other NIH-funded projects on the same topics.

  • Differentiating vaping from smoking through epigenetic and transcriptomic markers

    This study looks at adults who vape or smoke to identify specific DNA methylation and gene expression changes that distinguish vaping from smoking, with the goal of finding biomarkers tied to health risks.

    NIH research University of Southern California · Los Angeles, UNITED STATES · NIH-11348860

  • How flavor bans affect smoking and vaping

    This project looks at whether bans on flavored e-cigarettes change how teens and adults use vapes, cigarettes, and cigars.

    NIH research University of Michigan at Ann Arbor · Ann Arbor, United States · NIH-11168765

  • Understanding how vaping and smoking affect the body differently

    This study is looking at how vaping and smoking affect your DNA and gene activity in healthy adults, so we can better understand the health risks of both habits and find new ways to measure their impact.

    NIH research University of Southern California · Los Angeles, UNITED STATES · NIH-11086089

  • Understanding how flavor restrictions affect smoking and vaping behaviors

    This study looks at how limiting flavors in smoking and vaping products affects both young people and adults, helping us understand how these rules might change their habits and improve health in the long run.

    NIH research University of Michigan at Ann Arbor · Ann Arbor, United States · NIH-10932118

  • Blood-based markers to identify lung cancer risk in never-smokers

    A researchers team at NYU School of Medicine is testing blood tests that might flag higher lung cancer risk in people who have never smoked, helping decide who might need screening.

    NIH research New York University School of Medicine · New York, United States · NIH-11623223

  • Social stress and smoking: why disadvantaged young adults struggle to quit

    This grant looks at how daily social stress affects if and when disadvantaged young adults who smoke can quit and stay quit.

    NIH research Medical University of South Carolina · Charleston, United States · NIH-11540695

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.