Two-thirds of all gun-related deaths in the United States are suicides. In 2010, there were 19,392 firearm-related suicide deaths, and 11,078 firearm-related homicide deaths in the United States.[7]
http://en.wikipedia.org/wiki/Gun_vio..._United_States
There were a total of 38,329 drug overdose deaths in 2010 according to the Centers of Disease Control and Prevention -- and 60 percent were due to medications, the majority of which were prescription drugs.
http://www.cbsnews.com/8301-204_162-...-of-addiction/