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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?
Critical care patients are twice as likely to receive the wrong medication. Of these errors, 20% are life-threatening, and 42% require additional life-sustaining treatments.
Did you know?
Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.
Did you know?
There are more bacteria in your mouth than there are people in the world.
Did you know?
Asthma cases in Americans are about 75% higher today than they were in 1980.

