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<p>[QUOTE=&quot;-jeffB, post: 4976817, member: 27832&quot;]That... is <b>complete, 100% garbage.</b></p><p><b><br /></b></p><p>Yes, tonicity is a thing. It&#039;s the reason you use saline, not pure water, to wash wounds or eyes. It&#039;s the reason why drinking sea water will kill you.</p><p><br /></p><p>Pure water <b>absolutely will not</b> harm you, any more than tap water will. If you drink <i>either</i> to excess, it can upset your electrolyte balance -- but there&#039;s no threshold of &quot;purity&quot; beyond which water suddenly becomes <i>more</i> dangerous.</p><p><br /></p><p>The notion that water &quot;too pure&quot; is somehow dangerous is absolutely false. It shows a basic misunderstanding of tonicity and the behavior of ions. I hope the &quot;postgraduate students&quot; that edited and published that article weren&#039;t studying biology or chemistry. If they were, I hope their professors saw the article, and took the opportunity to straighten them out. I&#039;m sorry that the article sucked you in, and sent you off with this misconception. I see from the comments that I&#039;m not the only one who&#039;s horrified by it.</p><p><br /></p><p>Edit: [USER=33176]@Kentucky[/USER] [USER=84179]@Oldhoopster[/USER] [USER=15199]@desertgem[/USER] check my work here?[/QUOTE]</p><p><br /></p>

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