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In one of the most compelling studies of the impact of firearm proliferation, Dr. Arthur Kellermann, an emergency-medicine physician at Emory University, and associates from the Universities of Washington and British Columbia studied the rates of homicide and assault in Seattle and Vancouver from 1980 through 1986. The cities are close to each other. They have similar economies and similar geophysical locations. Their populations have a similar demographic profile. Presumably they watch the same movies and many of the same TV shows. During the study period, they also had similar assault rates. They differed markedly, however, in the degree to which they regulated access to firearms. Vancouver allowed gun sales only to people who could demonstrate a legitimate reason for having a firearm. Seattle had few regulations. The researchers found that attackers in Seattle were almost eight times more likely to use a handgun than those in Vancouver. Seattle’s homicide rate, moreover, was five times higher, with handgun-related killings accounting for most of the difference.
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