The evidence is largely contradictory: http://en.wikipedia.org/wiki/DI_water#Hea...

		sbierwagen on April 12, 2014 \| parent \| context \| favorite \| on: This Tower Pulls Drinking Water Out of Thin Air The evidence is largely contradictory: http://en.wikipedia.org/wiki/DI_water#Health_effects_of_drin... In any event, drinking deionized water doesn't appear to be instantly fatal. If the health impact is negative, then the effect size is pretty small.