A Stanford scholar found that states with concealed carry laws actually experience increases in violent crime.
This video has 18 charts to explain the effects on guns. In the video you can see that america is in the top in all gun related violence. The fact that we see that others have found a way to be safe and we still don't see to get it right.
Guns keep people safe to a certain point of time. Just because you have a gun dint mean that you are safe. If you have water are you hydrated, exactly just because you have something doesn't mean it is what it is.