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States with permissive gun laws experienced a rise in pediatric deaths from firearm injuries between 2011 and 2023, whereas states with stricter laws did not. That's according to a new study 

leading cause of death in children is firearm injuries

, an emergency medicine doctor and researcher at the University of Colorado, who wasn't involved in the new study. In a policy brief from 2021, she and her colleagues found that a child or teen is killed in the U.S. 

The new study offers a window into ways to prevent these deaths, says Haasz, and she called that "exciting."

"This doesn't mean we should change all our laws at once," Haasz says, "but perhaps if we could look at these laws and see which ones are effective, then we could start moving towards safety."

The researchers of the new study looked at firearm deaths of children 17 and under in the period after a 

 — ruling that said state and local governments must comply with the Second Amendment. Chicago's law banning ownership of handguns was struck down, but cities and states could still regulate guns. That led to states across the country changing their gun laws, says study author 

, an emergency medicine professor at Harvard Medical School and a physician at 

"There is just this flurry of activity and it's in both directions," says Faust. "You have states like Alabama or Louisiana and Texas, that are enacting much more aggressive laws in terms of freedom of access, freedom of carry laws about concealed carry in churches, laws about stand-your-ground, other things that make it just easier to get a firearm quickly and to carry."

And states like California passed stricter gun regulations.

"Things like safety requirements, safety training requirements," Faust says, "or where places instituted waiting periods or background checks to make sure that they didn't have a violent criminal offense in their recent past."

Faust and his colleagues grouped states into three buckets based on their gun laws: most permissive, permissive and least permissive.

Then they looked at the overall pediatric firearm deaths in the three groups from 2011 to 2023 compared to the decade prior. States with the most permissive gun laws had more than 6,000 excess deaths than they would have expected based on the earlier time period.

"We would have predicted 9,056 deaths in 13 years, when in fact, there were 15,085 deaths," says Faust. That's "a 67% relative increase." The excess deaths included both homicides and suicides.

The states in the middle group, with laws considered permissive, also saw an increase in deaths — they had 1,500 more deaths than expected.

Together, these two groups of states had more than 7,000 excess deaths of children and teens due to guns. "And that's over 500 deaths per year," notes Faust.

These are children "who should be alive. They should be around. These are not deaths that should have occurred. They are preventable."

The study "adds more robust evidence," supporting that states with more lenient gun laws have more pediatric deaths from gunshots, says 

, a pediatric surgeon and director of the Center for Gun Violence Prevention at Northwell Health in New York. He wasn't involved in the new study.

But states vary widely in the kinds of gun laws they have — whether they are strict or lenient, he adds. So, the next step for researchers is to look at which specific laws can really help prevent gun deaths in kids and teens.

"We really have to ask ourselves the question: What really worked in the states that had lower deaths?" says Sathya.

For example, past studies have shown that "child access prevention laws" are effective in preventing injuries and deaths, notes Haasz. These are laws 

that say "it is not legal for you to allow a child to access a gun," she says. "And so that might mean that you have to lock up your gun at home. That might mean that you just can't leave it on the table. And depending on the state, there's varying degrees of punishment [for breaking the law]."

"Those laws have been shown to decrease suicides and unintentional injuries in children," she says.

That kind of research into specific laws would help prevent not just gun deaths, notes Sathya, but also the larger number of non-fatal gunshot injuries in this age group.

"In this study, for every fatality they captured, there are going to be countless more kids in those states that had non-fatal injuries and their lives are going to forever be altered," Sathya says.

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Early Childhood

Rhitu Chatterjee

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A study from JAMA Pediatrics compares states that have permissive gun laws with others that have strict regulations. The states with tougher rules did not see a rise in gun deaths among children and teens.

Guns are the leading cause of death of kids and teens, and state laws matter

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