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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.
Did you know?
Human kidneys will clean about 1 million gallons of blood in an average lifetime.
Did you know?
The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.
Did you know?
There are 60,000 miles of blood vessels in every adult human.
Did you know?
Asthma cases in Americans are about 75% higher today than they were in 1980.