Plutonium: The most dangerous substance known to man?
> Of ingested plutonium, 99.99 percent will be excreted in a day or two.3 The experimenters had to figure out a way around this.1 Their solution was reprehensible.
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> In 1950, Manhattan Project doctors injected 18 people, ages 4–69, with plutonium without their knowledge._Yikes_.