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Did you know?
There are more bacteria in your mouth than there are people in the world.
Did you know?
There are 60,000 miles of blood vessels in every adult human.
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?
On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.
Did you know?
The horizontal fraction bar was introduced by the Arabs.