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Did you know?
The human body produces and destroys 15 million blood cells every second.
Did you know?
Russia has the highest death rate from cardiovascular disease followed by the Ukraine, Romania, Hungary, and Poland.
Did you know?
The familiar sounds of your heart are made by the heart's valves as they open and close.
Did you know?
About 100 new prescription or over-the-counter drugs come into the U.S. market every year.
Did you know?
There are approximately 3 million unintended pregnancies in the United States each year.