Redigerer Badstue (avsnitt)

== Helseeffekter ==
Negative helseeffekter assosiert med mye bruk av badstu er større risiko for plutselig [[hjertestans]].<ref>{{cite journal |last1=Laukkanen |first1=T |last2=Khan |first2=H |last3=Zaccardi |first3=F |last4=Laukkanen |first4=JA |title=Association between sauna bathing and fatal cardiovascular and all-cause mortality events. |journal=JAMA Internal Medicine |date=April 2015 |volume=175 |issue=4 |pages=542–8 |doi=10.1001/jamainternmed.2014.8187 |pmid=25705824|doi-access=free }}</ref> Badstu kan være farlig dersom man har ustabil [[hjertekrampe]] (angina pectoris), alvorlig aortastenose (den vanligste typen hjerteklaffsykdom) eller nylig har hatt hjerteinfarkt.<ref name="pmid12852008">{{Cite journal |author=Nagiev IuK |title=Duration-outcome relations in nonpharmacological treatment of chronic cardiac failure developed after acute myocardial infarction |language=russisk |journal=Voprosy Kurortologii, Fizioterapii, I Lechebnoĭ Fizicheskoĭ Kultury |issue=3 |pages=12–8 |year=2003 |pmid=12852008 }}</ref><ref name="The Infrared Sauna Effect: Dangers of the Infrared Sauna">{{cite web|title=Dangers of the Infrared Sauna|url=http://www.the-infrared-sauna-effect.com/dangers-of-the-infrared-sauna.html|publisher=The Infrared Sauna Effect|accessdate=2018-05-10|archive-date=2018-05-11|archive-url=https://web.archive.org/web/20180511010114/http://www.the-infrared-sauna-effect.com/dangers-of-the-infrared-sauna.html|url-status=yes}}</ref><ref>{{Cite journal|url=https://www.researchgate.net/publication/12163683|title=Benefits and risks of sauna bathing|journal=The American Journal of Medicine|last=L Hannuksela|first=Minna|last2=Ellahham|first2=Samer|date=2001-03-01|volume=110|issue=2|pages=118–126|doi=10.1016/S0002-9343(00)00671-9|pmid=11165553}}</ref> Barn og eldre med hjertesykdommer eller epilepsi, samt personer som bruker alkohol eller kokain, er spesielt utsatte.<ref name="pmid1853995">{{Cite journal
 | author = Press E
 | title = The health hazards of saunas and spas and how to minimize them
 | url = https://archive.org/details/sim_american-journal-of-public-health_1991-08_81_8/page/1034
 | journal=Am J Public Health
 | volume = 81
 | issue = 8
 | pages = 1034–7
 |date=August 1991
 | pmid = 1853995
 | pmc = 1405706
 | doi = 10.2105/AJPH.81.8.1034
 }}</ref> Badstu kan påvirke dannelsen av sædceller (spermatogenesen), og har blitt assosiert med tap av fertilitet hos menn i opptil to måneder.<ref>{{Cite journal|last2=Torino|first2=M|last3=Sartini|first3=B|last4=Cosci|first4=I|last5=Patassini|first5=C|last6=Carraro|first6=U|last7=Foresta|first7=C|year=2013|title=Seminal and molecular evidence that sauna exposure affects human spermatogenesis|journal=Human Reproduction|volume=28|issue=4|pages=877–85|doi=10.1093/humrep/det020|pmid=23411620|last1=Garolla|first1=A|doi-access=free}}</ref>

Positive helseeffekter assosiert med badstu er færre markører for [[betennelse]] i blodet,<ref>{{cite journal|last1=Laukkanen|first1=JA|last2=Laukkanen|first2=T|title=Sauna bathing and systemic inflammation.|journal=European Journal of Epidemiology|date=mars 2018|volume=33|issue=3|pages=351–353|doi=10.1007/s10654-017-0335-y|pmid=29209938}}</ref> redusert risiko for [[høyt blodtrykk]],<ref>{{cite journal|last1=Zaccardi|first6=JA|pmid=28633297|doi=10.1093/ajh/hpx102|pages=1120–1125|issue=11|volume=30|date=2017-11-01|journal=American Journal of Hypertension|title=Sauna Bathing and Incident Hypertension: A Prospective Cohort Study.|last6=Laukkanen|first1=F|first5=J|last5=Kauhanen|first4=SK|last4=Kunutsor|first3=P|last3=Willeit|first2=T|last2=Laukkanen|doi-access=free}}</ref> mindre risiko for [[lungebetennelse]],<ref>{{cite journal |last1=Kunutsor |first1=SK |last2=Laukkanen |first2=T |last3=Laukkanen |first3=JA |title=Frequent sauna bathing may reduce the risk of pneumonia in middle-aged Caucasian men: The KIHD prospective cohort study. |journal=Respiratory Medicine |date=November 2017 |volume=132 |pages=161–163 |doi=10.1016/j.rmed.2017.10.018 |pmid=29229091|hdl=1983/9e38e6b8-7404-4730-93be-e1a975115b1f |url=https://research-information.bristol.ac.uk/ws/files/136094981/Sauna_pnem.pdf }}</ref> og midlertidig lindring av forkjølelsessymptomer.<ref name="pmid2258128">{{Cite journal |author=Ernst E |title=[Hardening against the common cold &ndash; is it possible?] |language=tysk |journal=Fortschr. Med. |volume=108 |issue=31 |pages=586–8 |year=1990 |pmid=2258128 }}</ref> Badstu har også blitt assosiert med mindre risiko for [[demens]] og [[alzheimer]].<ref>{{cite journal|last1=Laukkanen|date=2017-03-01|hdl=1983/df40baba-065c-4ccf-9d83-3416f441695e|pmid=27932366|doi=10.1093/ageing/afw212|pages=245–249|issue=2|volume=46|journal=Age and Ageing|first1=T|title=Sauna bathing is inversely associated with dementia and Alzheimer's disease in middle-aged Finnish men.|first4=JA|last4=Laukkanen|first3=J|last3=Kauhanen|first2=S|last2=Kunutsor|doi-access=free}}</ref>

Det har blitt rapportert at de positive helseeffektene fra badstu (særlig relatert til blodkar) kan være ikke-kausale, altså at de som tar badstu også har en tendens til å delta i andre aktiviteter som er helsebringende.<ref>{{cite journal|last1=Kivimäki|first1=M|last2=Virtanen|first2=M|last3=Ferrie|first3=JE|title=The Link Between Sauna Bathing and Mortality May Be Noncausal.|journal=JAMA Internal Medicine|date=oktober 2015|volume=175|issue=10|pages=1718|doi=10.1001/jamainternmed.2015.3426|pmid=26436738}}</ref><ref>{{cite journal|last1=Laukkanen|first1=T|last2=Khan|first2=H|last3=Zaccardi|first3=F|title=The Link Between Sauna Bathing and Mortality May Be Noncausal-Reply.|journal=JAMA Internal Medicine|date=oktober 2015|volume=175|issue=10|pages=1719–20|doi=10.1001/jamainternmed.2015.3432|pmid=26436740}}</ref>