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Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.
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The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
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Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
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More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.
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The familiar sounds of your heart are made by the heart's valves as they open and close.