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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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After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.
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Vaccines prevent between 2.5 and 4 million deaths every year.
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The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.
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Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.