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Did you know?
There are 20 feet of blood vessels in each square inch of human skin.
Did you know?
People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.
Did you know?
If all the neurons in the human body were lined up, they would stretch more than 600 miles.
Did you know?
Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.
Did you know?
Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.