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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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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
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Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.
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Illicit drug use costs the United States approximately $181 billion every year.
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Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.