Editing 1812 in science (section)

==Medicine==
* January – ''[[The New England Journal of Medicine]]'' is founded in [[Boston]], by Dr [[John Collins Warren (surgeon, born 1778)|John Collins Warren]] as the ''New England Journal of Medicine and Surgery and the Collateral Branches of Medical Science''.<ref>{{cite journal|author =Campion, E.|title=The ''Journal'' from 1812 to 1989|journal=The New England Journal of Medicine|year=2010|volume=363|issue=12|pages=1175–1176|doi=10.1056/nejme1009367|display-authors=etal|pmid=20843253|doi-access=free}}</ref>
* January 21 – John Parkinson and his father [[James Parkinson|James]] first describe [[appendicitis]] and resultant [[peritonitis]] in English.<ref>{{cite journal|author=Parkinson, J. |title=Case of diseased appendix vermiformis|journal=Medico-Chirurgical Transactions|year=1812|volume=3|pages=57–58|doi=10.1177/095952871200300105|pmid=20895178|pmc=2128895}}</ref>
* [[Benjamin Rush]] publishes ''Medical Inquiries and Observations upon the Diseases of the Mind'' in [[Philadelphia]], the first textbook on [[psychiatry]] issued in the United States.<ref>{{The Timetables of Science|pages=261}}</ref>
* [[James Barry (surgeon)|James Barry]] qualifies as a [[medical doctor]] at the [[University of Edinburgh]]; born Margaret Ann Bulkley, this makes her the first [[British people|British]] woman with such a qualification.<ref>{{cite journal|url=http://www.samj.org.za/index.php/samj/article/viewFile/130/425 |title=Dr James Barry: The early years revealed |accessdate=2008-04-03 |first=Hercules Michael |last=du Preez |date=2008-01-14 |journal=[[South African Medical Journal]] |volume=98 |issue=4 |archiveurl=https://web.archive.org/web/20120220134024/http://www.samj.org.za/index.php/samj/article/viewFile/130/425 |archivedate=2012-02-20 |url-status=live }}</ref>
* [[Cholera]] in [[Jessore (city)|Jessore]], India.
* [[Coffee]] is banned in Sweden.