Critically sick people: Nitrous oxide inactivates methionine synthase by means of oxidation of your cobalt in vitamin B12 and could bring about megaloblastic anemia. This enzyme is important for vitamin B12 and folate metabolism and performs a role in DNA and RNA synthesis as well as synthesis of other substances. https://zanevtmds.wikipresses.com/6160646/top_latest_five_lachgas_urban_news