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Most Dangerous SubstanceWell actually, the most lethal substance is Botulinum toxin (commonly known as botox).The lethal dose is 1ng/kg (1 billionth of a gram) if introduced intravenously in a human,while V-Series nerve agent VX has a lethal dose of 2300 ng/kg if introduced intravenously in a human.

So Botulinum toxin is 2300 times more lethal.

FACT: 1 teaspoon of Botulinum toxin can kill 1.2 billion people.

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14y ago

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