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Did you know?
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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Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.
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The familiar sounds of your heart are made by the heart's valves as they open and close.
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Thyroid conditions may make getting pregnant impossible.
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Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.