What is the most dangerous chemical to humans?



  1. 0 Votes

    That depends on what you mean by most dangerous.  In terms of toxicity, the three most toxic chemicals to humans are (in order from most to least toxic) Botunlinum toxin, Tetanus toxin, and Diptheria, all of which are produced naturally by bacteria.  Both botulinum and tetanus are extremely potent neurotoxins (one teaspoon of botulinum would be enough to kill 1/4 of the world’s population).  Interestingly, the number one toxin, botulinum, is what they use to make Botox.

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