Evidence for Action (E4A) funds research evaluating the population health, wellbeing, and racial equity impacts of programs, policies, and practices. What We're Learning is a repository of media pieces, research articles, presentations, reports, and other materials highlighting E4A supported research and findings. Sort by topic or resource type.
Prenatal substance use laws are aimed at reducing the use of illicit substances during pregnancy. Supportive laws increase access to substance use treatment during pregnancy, either through additional funding or priority access for pregnant people.
Impact of prenatal substance use policies on commercially insured pregnant females with opioid use disorder
Supportive prenatal substance use policies that created/funded targeted substance use disorder treatment programs led to reductions in opioid overdoses and increases in the use of opioid use disorder medications for pregnant people.
Policies criminalizing maternal substance use or classifying it as child maltreatment are associated with an 18.9% increase in infant maltreatment reports, which may lead to a fear of experiencing child protective services involvement and reduced chances of reunificat
Supportive prenatal substance use policies are those in which pregnant people are provided access to treatment or other support programs. Such policies lead to better outcomes for babies: preterm births and low birth weight births both decreased by 2%.
Geographical distribution and social determinants of Tobacco 21 policy adoption and retail inspections in the United States, 2015–2019
This study evaluates multiple factors associated with Tobacco 21 (T21) policy adoption in the U.S. from 2015 to 2019 before the nationwide adoption of T21 to identify disparities between regions that adopted the policy and those that did not.
Adding vaping restrictions to smoke-free air laws: associations with conventional and electronic cigarette use
Smoke-free worksite laws lead to reductions in current smoking, increases in smoking cessation, and decreases in recent vaping. However, adding vaping restrictions to these laws may have actually reduced the impact of the law on current smoking among 18 to 25 year-olds.
Listen to Dr. Friedman discuss her research on the Podcast: Yale Cancer Answers.
County- and municipality-level policies restricting tobacco sales to individuals younger than 21, so-called Tobacco 21 or T21 laws, led to substantial reductions in smoking in 18- to 20-year olds.