This study evaluates concussion education for athletes, parents, and coaches in Washington State three years after concussion legislation was passed, highlighting disparities between sports and the overall effectiveness of the education provided.

Los Angeles shared-use agreements (2010–2012) expanded school facilities for physical activity in under-resourced areas, addressing cost and sustainability to reach 165,000 kids and 500,000 adults at $0.38 per person.

Foot patrols in high-crime Philadelphia areas led to a 23% reduction in violent crime over 12 weeks, showcasing the effectiveness of place-based policing in crime prevention and public health.

A survey of Seattle police and paramedics found low awareness of Washington’s Drug Overdose-Naloxone-Good Samaritan Law, though officers supported training for better opioid overdose responses.

Decal laws have been implemented internationally to facilitate police enforcement of graduated driver licensing (GDL) restrictions (e.g., passenger limit, nighttime curfew) but have not been evaluated.

State laws that set strict standards for children to be exempted from vaccines on religious or philosophical grounds could reduce the number of whooping cough cases, but not measles, mumps, haemophilus influenza type B (Hib) or Hepatitis B.

This study analyzes fatalities from distracted driving crashes involving pedestrians and bicyclists in the U.S. between 2005 and 2010. It shows increasing fatalities, with higher risks for certain demographics and locations

This study analyzes antibiotic approval and withdrawal rates from 1980-2009, showing high withdrawal rates compared to other drug classes and suggesting that clinical quality should be prioritized over quantity.

This study finds no consistent link between parental involvement laws and teen sexual behavior or STI rates, improving prior estimates with event-study design and updated gonorrhea and chlamydia data.

This study evaluates Philadelphia Lead Court's effectiveness in enforcing lead hazard remediation, showing significantly higher compliance rates under the court system compared to the precourt period.

For more than three decades, the Centers for Disease Control and Prevention has recommended influenza vaccination for healthcare workers

This study evaluates the impact of state medical marijuana laws on adolescent marijuana use from 2003 to 2011, finding no measurable effect in the first few years after enactment.

This study examines the impact of overdose death definitions, finding that some deaths from substance use disorders are missed, while others are inaccurately classified as overdose deaths.

This paper describes the current state of laws across the United States aimed at combatting concussions, commonly referred to as “traumatic brain injuries” or TBIs, among young athletes.

This study finds that children in counties with unified family courts experienced shorter foster care spells and higher rates of reunification with parents or primary caregivers.