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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 familiar sounds of your heart are made by the heart's valves as they open and close.
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People about to have surgery must tell their health care providers about all supplements they take.
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Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.
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The average human gut is home to perhaps 500 to 1,000 different species of bacteria.