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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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Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.

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When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

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One way to reduce acid reflux is to lose two or three pounds. Most people lose weight in the belly area first when they increase exercise, meaning that heartburn can be reduced quickly by this method.

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The average human gut is home to perhaps 500 to 1,000 different species of bacteria.

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