Editing Milk (section)

===Lactose intolerance===
{{Main|Lactose intolerance}}
Lactose intolerance is a condition in which people have symptoms due to deficiency or absence of the enzyme [[lactase]] in the [[small intestine]], causing poor absorption of milk lactose.<ref name=NIH2014Dig/><ref name=Deng2015>{{cite journal |vauthors=Deng Y, Misselwitz B, Dai N, Fox M |title=Lactose intolerance in adults: Biological mechanism and dietary management |journal=Nutrients |year=2015 |volume=7 |issue=9 |pages=8020–35 |pmid=26393648 |doi=10.3390/nu7095380 |pmc=4586575 |type=Review|doi-access=free}}</ref> People affected vary in the amount of lactose they can tolerate before symptoms develop,<ref name=NIH2014Dig/> which may include abdominal pain, [[bloating]], [[diarrhea]], gas, and [[nausea]].<ref name=NIH2014Dig/> Severity depends on the amount of milk consumed.<ref name=NIH2014Dig>{{cite web |title=Lactose intolerance |url=https://www.niddk.nih.gov/health-information/digestive-diseases/lactose-intolerance/definition-facts |publisher=National Institute of Diabetes and Digestive and Kidney Diseases, US National Institutes of Health |access-date=January 28, 2021 |date=February 2018 |archive-date=February 8, 2021 |archive-url=https://web.archive.org/web/20210208150848/https://www.niddk.nih.gov/health-information/digestive-diseases/lactose-intolerance/definition-facts |url-status=live }}</ref> Those affected are usually able to drink at least one cup of milk without developing significant symptoms, with greater amounts tolerated if drunk with a meal or throughout the day.<ref name=NIH2014Dig/><ref name=SuchyBrannon2010>{{cite journal |vauthors=Suchy FJ, Brannon PM, Carpenter TO, Fernandez JR, Gilsanz V, Gould JB, etal |title=NIH consensus development conference statement: Lactose intolerance and health. |journal=NIH Consens State Sci Statements |year=2010 |volume=27 |issue=2 |pages=1–27 |pmid=20186234 |url=https://consensus.nih.gov/2010/lactosestatement.htm |type=Consensus Development Conference, NIH. Review |access-date=December 6, 2016 |archive-url=https://web.archive.org/web/20161218125118/https://consensus.nih.gov/2010/lactosestatement.htm |archive-date=December 18, 2016 |url-status=dead}}</ref>