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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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Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.
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It is difficult to obtain enough calcium without consuming milk or other dairy foods.
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The newest statin drug, rosuvastatin, has been called a superstatin because it appears to reduce LDL cholesterol to a greater degree than the other approved statin drugs.
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Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.