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Did you know?
There are more bacteria in your mouth than there are people in the world.
Did you know?
People about to have surgery must tell their health care providers about all supplements they take.
Did you know?
The familiar sounds of your heart are made by the heart's valves as they open and close.
Did you know?
Today, nearly 8 out of 10 pregnant women living with HIV (about 1.1 million), receive antiretrovirals.
Did you know?
Human kidneys will clean about 1 million gallons of blood in an average lifetime.