Indications are that it's generally bad for eukaryotes: https://en.wikipedia.org/wiki/Heavy_water#Effect_on_biological_systems https://en.wikipedia.org/wiki/Hea

Indications are that it's generally bad for eukaryotes: https://en.wikipedia.org/wiki/Heavy_water#Effect_on_biological_systems https://en.wikipedia.org/wiki/Heavy_water#Effect_on_biologic...