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Did you know?
There are more nerve cells in one human brain than there are stars in the Milky Way.
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Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.
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Thyroid conditions may make getting pregnant impossible.
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Medication errors are three times higher among children and infants than with adults.
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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.