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Q&A Could humans survive on a planet with only deuterium 'heavy water' made with hydrogen isotopes?

If all the fresh water were at least 25% deuterium, would humans be able to survive? Would there be significant other detrimental side effects to human physiology as a result?

3 answers  ·  posted 9y ago by Melly Millions‭  ·  last activity 7y ago by Melly Millions‭

Question planets water humans