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Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.

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Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).

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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.

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Cyanide works by making the human body unable to use oxygen.

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Your heart beats over 36 million times a year.

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