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A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.
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Blood is approximately twice as thick as water because of the cells and other components found in it.
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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
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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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In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.