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50 Years Ago

Pharmacologist drinks heavy water in experiment

Self-experimenter drank heavy water, then lived a long life.

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12:28pm, January 13, 2012

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February 9, 1935 | Vol. 27 | No. 722

Pharmacologist drinks heavy water in experiment

Taking the risk of swallowing ten grams (about third of an ounce or teaspoonful) of “heavy water,” Prof. Klaus Hansen, Oslo University pharmacologist, reported that he had apparently suffered no ill effects after five hours, sufficient to allow assimilation of deuterium-containing water.

Nevertheless he was attended by four doctors ready with stomach pumps, heart and respiratory stimulants for emergency use if they seemed to be needed.

In his first human test of the possible poisonousness of heavy water, discovered in America in 1931, Prof. Hansen intends to keep tak

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