Packing a Gun Makes You Think Everyone Else Is Too

There are plenty of reasons not to run round wielding a gun, but here's a new one; holding one makes you think that other people are holding guns, too. And that is not a desirable kind of paranoia to find in someone wielding a weapon.

A study conducted a Notre Dame University found that holding a gun shifts cognitive bias, making a person holding one far more likely to assume that other people are also holding one.

Gizmodo