Is heavy water used for drinking purpose?
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6 min read
While chemically similar to normal water ($H_2O$), heavy water ($D_2O$) has significantly different biological effects on living organisms, and is not recommended for drinking. The human body naturally contains a small, harmless amount of heavy water, with about one in every 20 million water molecules containing deuterium instead of regular hydrogen. However, consuming high concentrations of heavy water can disrupt essential cellular processes, leading to toxicity.
