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Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.
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Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%
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The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).
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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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This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.