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Published on 25 Mar 2013 | over 5 years ago

There are natural poisons that lurk in bacteria, plants, and fungi pretty much everywhere, and they're there for good reasons (according to the organisms that produce them) - but what is it about their chemical make up that makes them so poisonous? How do their toxins attack the human body with such deadly efficiency? Discover the answers to these and other questions as Hank talks about some of the most deadly natural substances in the world.

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