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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?
Asthma cases in Americans are about 75% higher today than they were in 1980.
Did you know?
More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.
Did you know?
Medication errors are more common among seriously ill patients than with those with minor conditions.
Did you know?
There are more nerve cells in one human brain than there are stars in the Milky Way.