M-16 and candle, 1968

Implementing universal background checks for gun purchases, for ammunition purchases, and mandating firearm identification could dramatically lower U.S. mortality attributable to firearms, our guest says.

In the Lancet, Dr. Bindu Kalesan and her colleagues examined state gun laws associated with the lowest mortality rates and concluded that if three of those laws were implemented at the national level, rates would drop by over 90%.

Lancet article (free abstract)