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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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Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.
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People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.
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To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.
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The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.