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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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People about to have surgery must tell their health care providers about all supplements they take.
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All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.
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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
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In most climates, 8 to 10 glasses of water per day is recommended for adults. The best indicator for adequate fluid intake is frequent, clear urination.