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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?
After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.
Did you know?
The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
Did you know?
In 1864, the first barbiturate (barbituric acid) was synthesized.
Did you know?
About 100 new prescription or over-the-counter drugs come into the U.S. market every year.