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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?
The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
Did you know?
If all the neurons in the human body were lined up, they would stretch more than 600 miles.
Did you know?
In 1844, Charles Goodyear obtained the first patent for a rubber condom.
Did you know?
Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.