Credit: MedPage Today

The psychological harm from mass shootings spills beyond direct survivors and into their communities, a cross-sectional study found.

Among survey participants — residents of six U.S. communities affected by recent mass violence incidents (MVIs) — 23.7% met criteria for presumptive past-year post-traumatic stress disorder (PTSD) and 8.9% met criteria for current PTSD, based on their survey responses.

And these were not just people who said either they or a close friend or family member were on site at the shooting: though most PTSD cases occurred in those with this high exposure to the MVI, respondents with no direct exposure still met the criteria for past-year and current PTSD in 21.0% and 8.9% of cases, according to researchers led by Angela Moreland, PhD, a psychologist at Medical University of South Carolina (MUSC) in Charleston, reporting in JAMA Network Openopens in a new tab or window.

Moreland’s group at MUSC has been responding to various mass shootings in the U.S. by disseminating informational pamphlets […]

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