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There are 20 feet of blood vessels in each square inch of human skin.
You should not take more than 1,000 mg of vitamin E per day. Doses above this amount increase the risk of bleeding problems that can lead to a stroke.
In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.
If all the neurons in the human body were lined up, they would stretch more than 600 miles.
The average office desk has 400 times more bacteria on it than a toilet.
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