About 1 in 15 U.S. adults has been on scene at a mass shooting, a new University of Colorado Boulder study published in JAMA Network Open reveals. Why it matters: The study underscores the pervasiveness of gun violence in the U.

MONDAY, March 10, 2025 (HealthDay News) -- A startling number of Americans have witnessed a mass shooting in their lifetime, a new study suggests. About 1 in 15 adults have been present at the scene of a mass shooting, and more than 2% have been injured in one, researchers say in JAMA Network Open.

In America, mass shootings dominate headlines, framed by statistics and brief moments of “thoughts and prayers”. Yet behind the numbers lies an even more unsettling reality: nearly 7% of U.S. adults have been directly exposed to a mass shooting.

About 7% of U.S. adults have been present at the scene of a mass shooting in their lifetime, and more than 2% have been injured during one, according to new University of Colorado Boulder research.

A new alarming study has revealed that one in 15 US adults have experienced the horror of mass shooting.According to The Guardian, a new report from the University of Colorado Boulder unfolds the increasing number of gun violence in America

The group defined “mass shooting” as a gun-related crime where four or more people were shot in a public space.