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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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Excessive alcohol use costs the country approximately $235 billion every year.
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Medication errors are three times higher among children and infants than with adults.
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Women are 50% to 75% more likely than men to experience an adverse drug reaction.
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Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.