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There are more nerve cells in one human brain than there are stars in the Milky Way.
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The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.
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Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.
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Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.
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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.