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A comment on Brain may flush out toxins during sleep (2015). Parent comment

Re:Brain may flush out toxins during sleep (2015) by Nadya on Monday July 25, 2016 @11:06AM (#12159157)
They are taking issue with the term "toxin" - not the functionality of the lymphatic system. Their comment explicitly said `metabolic byproduct or waste, nothing to do with "toxins"`.
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Re:Brain may flush out toxins during sleep (2015) by James001 on Monday July 25, 2016 @12:19PM (#12159678)
But of course it the lymphatic system eliminates toxins too. I mean, obviously this is all getting into semantics, but the lymphatic system helps to eliminate more than just metabolic products and waste, it will also help eliminate dead bacteria, heavy metals, etc, which could certainly be called toxins
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