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Did you know?
Asthma cases in Americans are about 75% higher today than they were in 1980.
Did you know?
There are more bacteria in your mouth than there are people in the world.
Did you know?
When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
Did you know?
Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
Did you know?
Blood is approximately twice as thick as water because of the cells and other components found in it.

