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State gun laws may help curb violence across state lines

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Columbia University Mailman School of Public Health researchers find that strong state firearm laws are associated with fewer firearm homicides—both within the state where the laws are enacted and across state lines. Conversely, weak firearm laws in one state are linked to higher rates of homicides in neighboring states.

Results of the study appear in the journal Epidemiology, and are based on an analysis of county-level data on firearm homicides as they relate to state gun laws between 2000 and 2014.

Around 14,000 Americans civilians die and over 75,000 people are treated in emergency departments because of gun violence every year. This study adds evidence that the count and composition of states’ gun laws affect within-state homicide incidence. The associations are strongest for background checks compared to other gun laws, including child access prevention laws, dealer registration laws, and licensing laws. As well as examining within-state effects, the research is one of the few studies to explore the potential effects of gun laws on homicides in neighboring states, with the results emphasizing that firearm laws spill over state lines.

The study found that homicide incidence was greatest in counties with weak within-state laws and where the largest nearby population centers were in other states that also weak laws. As an example, the researchers contrast New Hampshire and Alabama, which both had 10 gun laws in 2014. The most populous urban center near New Hampshire is Boston, which had 100 gun laws, whereas the major city nearest to Alabama is Atlanta, where there were 6 laws. The weak gun laws in Alabama and Georgia both contribute to higher homicide incidence in Alabama, but the stronger gun laws in Massachusetts temper the effect of the weak laws in New Hampshire. To explain these results, the researchers suggest it may be easier for guns to flow undetected into places where laws are already weak.

“Gun violence is a public health crisis in the United States,” says first author Christopher Morrison, Ph.D., Assistant Professor of epidemiology at the Columbia Mailman School. “Research has demonstrated that strong gun laws can reduce this burden. It’s now becoming clear that weak gun laws don’t only drive up gun violence within their own borders, they also affect gun violence in neighboring states.”

Gun laws in neighboring states affect state gun deaths, new evidence

More information:
Christopher N. Morrison et al, Firearm Homicide Incidence, Within-State Firearm Laws, and Interstate Firearm Laws in US Counties, Epidemiology (2020). DOI: 10.1097/EDE.0000000000001262

State gun laws may help curb violence across state lines (2020, October 26)
retrieved 26 October 2020
from https://medicalxpress.com/news/2020-10-state-gun-laws-curb-violence.html

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State gun laws may help curb violence across state lines
Susan M. Knight
Susan M. Knight a health and nutrition enthusiast. She is the one who collects informations regarding everything that is super important to lead a healthy life. So be it in India or US or any other country, she covers them all.

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