Editing Drink (section)

===Purification of water===
{{Details|Water purification}}

Water is the chief constituent in all drinks, and the primary ingredient in most. Water is purified prior to [[drinking water|drinking]]. Methods for purification include [[filtration]] and the addition of chemicals, such as [[Water chlorination|chlorination]]. The importance of purified water is highlighted by the [[World Health Organization]], who point out 94% of deaths from [[diarrhea]] – the third biggest cause of infectious death worldwide at 1.8 million annually – could be prevented by improving the quality of the victim's environment, particularly safe water.<ref>{{cite book |url=https://www.who.int/water_sanitation_health/publications/combating_diseasepart1lowres.pdf |archive-url=https://web.archive.org/web/20080521162853/http://www.who.int/water_sanitation_health/publications/combating_diseasepart1lowres.pdf |archive-date=2008-05-21 |url-status=live |publisher=[[World Health Organization]] |title=Combating Waterborne Diseases at the Household Level |page=11 |year=2007|isbn=978-92-4-159522-3}}</ref>