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Heavy water, or deuterium oxide, has some important scientific applications, but let's say you're reeeeaallly thirsty... is it safe to drink?

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Sources:
http://pubs.acs.org/doi/abs/10.1021/cr50004a004
https://pubchem.ncbi.nlm.nih.gov/compound/deuterium_oxide
http://www.clinsci.org/content/ppclinsci/80/4/277.full.pdf
https://books.google.com/books?id=VbO2CwAAQBAJ&pg=PA135
http://shop.isotope.com/productdetails.aspx?itemno=DLM-6-PK
http://pubs.acs.org/stoken/presspac/presspac/full/10.1021/ie101820f
http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0169296
https://www.nrc.gov/reading-rm/doc-collections/fact-sheets/tritium-radiation-fs.html
http://ajplegacy.physiology.org/content/201/2/357
https://www.scientificamerican.com/article/is-radioactive-hydrogen-in-drinking-water-a-cancer-threat/
http://rgw.arizona.edu/sites/researchgateway/files/radioactive_material_protection_reference_guide.pdf