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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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Women are two-thirds more likely than men to develop irritable bowel syndrome. This may be attributable to hormonal changes related to their menstrual cycles.
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Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.
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If you could remove all of your skin, it would weigh up to 5 pounds.
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Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.