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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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Patients who cannot swallow may receive nutrition via a parenteral route—usually, a catheter is inserted through the chest into a large vein going into the heart.

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In Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.

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Opium has influenced much of the world's most popular literature. The following authors were all opium users, of varying degrees: Lewis Carroll, Charles, Dickens, Arthur Conan Doyle, and Oscar Wilde.

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Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

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Many ideologies stem from older theories. The ideas of the philosophers are simplified. Ideologies Many ideologies stem from older theories. The ideas of the philosophers are simplified. Ideologies
The growth in demand for energy use is met by burning fossil fuels The growth in demand for energy use is met by burning fossil fuels
The growing demand for electrical power, carbon sequestration and storage must be a priority The growing demand for electrical power, carbon sequestration and storage must be a priority
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The demand for oil can be reduced significantly with the introduction of new higher vehicle mileage The demand for oil can be reduced significantly with the introduction of new higher vehicle mileage
Video: The Pressure Flow Model in a Plant

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