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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?
About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.
Did you know?
By definition, when a medication is administered intravenously, its bioavailability is 100%.
Did you know?
This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.