One of the most common [[date rape drug]]s is alcohol,<ref name=medicalnewstoday>{{cite web | url = http://www.medicalnewstoday.com/articles/85513.php | title = Alcohol Is Most Common 'Date Rape' Drug | archive-url = https://web.archive.org/web/20071017030317/http://www.medicalnewstoday.com/articles/85513.php | archive-date=17 October 2007 | work = Medicalnewstoday.com. | access-date = 1 June 2011 }}</ref><ref name="pmid10881768">{{cite journal | vauthors = Schwartz RH, Milteer R, LeBeau MA | title = Drug-facilitated sexual assault ('date rape') | journal = Southern Medical Journal | volume = 93 | issue = 6 | pages = 558–61 | date = June 2000 | pmid = 10881768 | doi = 10.1097/00007611-200093060-00002 }}</ref><ref name="Holstege232">{{cite book | veditors = Holstege CP, Saathoff GB, Neer TM, Furbee RB |title=Criminal poisoning: clinical and forensic perspectives|url=https://archive.org/details/criminalpoisonin00hols_101|url-access=limited|publisher=Jones and Bartlett Publishers|location=Sudbury, Mass.|isbn=978-0-7637-4463-2|pages=[https://archive.org/details/criminalpoisonin00hols_101/page/n250 232]|date=25 October 2010}}</ref> administered either surreptitiously<ref name="Lyman 2006 70">{{cite book | vauthors = Lyman MD |title=Practical drug enforcement |year=2006 |publisher=CRC |location=Boca Raton, Fla.|isbn=0849398088|page=70|edition=3rd}}</ref> or consumed voluntarily,<ref name=medicalnewstoday/> rendering the victim unable to make informed decisions or give consent. The perpetrator then facilitates [[sexual assault]] or [[rape]], a crime known as alcohol- or [[drug-facilitated sexual assault]] (DFSA).<ref>{{cite journal | vauthors = Thompson KM | title = Beyond roofies: Drug- and alcohol-facilitated sexual assault | journal = JaapaJAAPA | volume = 34 | issue = 1 | pages = 45–49 | date = January 2021 | pmid = 33332834 | doi = 10.1097/01.JAA.0000723940.92815.0b }}</ref><ref name="pmid18511003">{{cite journal | vauthors = Hall JA, Moore CB | title = Drug facilitated sexual assault—a review | journal = Journal of Forensic and Legal Medicine | volume = 15 | issue = 5 | pages = 291–7 | date = July 2008 | pmid = 18511003 | doi = 10.1016/j.jflm.2007.12.005 }}</ref><ref name="pmid18541699">{{cite journal | vauthors = Beynon CM, McVeigh C, McVeigh J, Leavey C, Bellis MA | title = The involvement of drugs and alcohol in drug-facilitated sexual assault: a systematic review of the evidence | journal = Trauma, Violence & Abuse | volume = 9 | issue = 3 | pages = 178–88 | date = July 2008 | pmid = 18541699 | doi = 10.1177/1524838008320221 | s2cid = 27520472 }}</ref> However, sex with an unconscious victim is considered rape in most if not all jurisdictions, and some assailants have committed "rapes of convenience" whereby they have assaulted a victim after he or she had become unconscious from drinking too much.<ref>{{cite web | url = http://survive.org.uk/date-rape.html | title = Date Rape | work = Survive.org.uk | date = 20 March 2000 | access-date = 1 June 2011 }}</ref> The risk of individuals either experiencing or perpetrating [[sexual violence]] and [[risky sexual behavior]] increases with [[alcohol abuse]],<ref name="Chersich-2010">{{cite journal | vauthors = Chersich MF, Rees HV | title = Causal links between binge drinking patterns, unsafe sex and HIV in South Africa: its time to intervene | journal = International Journal of STD & AIDS | volume = 21 | issue = 1 | pages = 2–7 | date = January 2010 | pmid = 20029060 | doi = 10.1258/ijsa.2000.009432 | s2cid = 3100905 }}</ref> and by the consumption of [[caffeinated alcoholic drink]]s.<ref>{{cite web |title=Consumption of alcohol/energy drink mixes linked with casual, risky sex |url=https://www.sciencedaily.com/releases/2012/07/120725120644.htm |website=ScienceDaily |language=en}}</ref><ref name="Alcohol Mixed With Energy Drinks an">{{cite journal | vauthors = Ball NJ, Miller KE, Quigley BM, Eliseo-Arras RK | title = Alcohol Mixed With Energy Drinks and Sexually Related Causes of Conflict in the Barroom | journal = Journal of Interpersonal Violence | volume = 36 | issue = 7–8 | pages = 3353–3373 | date = April 2021 | pmid = 29779427 | doi = 10.1177/0886260518774298 | s2cid = 29150434 }}</ref>