What we do and don’t know about how to prevent gun violence
Lack of research makes it hard to determine laws’ effect on saving lives
![person pointing a gun](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2018/03/030718_RE_gun-violence_feat.jpg?fit=860%2C460&ssl=1)
JUMP THE GUN Arguments about which gun laws might reduce gun violence are hard to settle, given how little research there is on gun policy effectiveness, but a new study has some answers.
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