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Did you know?
There are 20 feet of blood vessels in each square inch of human skin.
Did you know?
The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
Did you know?
Thyroid conditions may make getting pregnant impossible.
Did you know?
The human body produces and destroys 15 million blood cells every second.
Did you know?
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.