Editing Gun safety (section)

===Impaired users===
Firearms should never be handled by persons who are under the influence of [[alcohol (drug)|alcohol]] or any [[drug]]s which may affect their judgment. Gun safety teachers advocate zero tolerance of their use.<ref>{{cite web| title = Gun Safety Rules; Save a life by reading this page and give it to a friend.| url = http://www.savetheguns.com/safety_rules.htm| publisher = www.SaveTheGuns.com| date = 2000–2009| access-date = 18 May 2009|archiveurl=https://web.archive.org/web/20230602002125/http://www.savetheguns.com/safety_rules.htm|archive-date=June 2, 2023}}</ref> In the United States, this recommendation is codified in many states' penal codes as a crime of "carrying under the influence", with penalties similar to [[DWI]]/[[DUI]].<ref>{{cite web| title = MSP - Carrying Under the Influence| url = http://www.michigan.gov/msp/0,1607,7-123-1591_3503_4654-10961--,00.html| publisher = State of Michigan| date = 2001–2009| access-date = 18 May 2009|archiveurl=https://web.archive.org/web/20230326131843/https://www.michigan.gov/msp/services/ccw/carrying-under-the-influence|archive-date=March 26, 2023}}</ref> Other sources of temporary impairment include exhaustion, dehydration, and emotional stress. These can affect reaction time, cognitive processing, sensory perception, and judgment.<ref>{{cite web| title = ARTICLE 36: PROHIBITING THE CARRYING OF A FIREARM WHILE UNDER THE INFLUENCE OF AN ALCOHOLIC BEVERAGE OR DRUG, OR POSSESSION OF A FIREARM WHILE UPON PUBLIC PREMISES SELLING OR SERVING ALCOHOLIC BEVERAGES| url = https://codelibrary.amlegal.com/codes/san_francisco/latest/sf_police/0-0-0-7507| publisher = City and County of San Francisco| date =June 23, 2023| access-date = 30 July 2023|quote=Persons under the influence of an alcoholic beverage or drug frequently lack the normal restraint and judgment that would ordinarily prevent them from initiating or escalating criminal or domestic violence.}}</ref>

Many jurisdictions prohibit the possession of firearms by people deemed generally incapable of using them safely, such as the mentally ill or convicted felons.