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Did you know?
According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.
Did you know?
Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.
Did you know?
Blood is approximately twice as thick as water because of the cells and other components found in it.
Did you know?
The longest a person has survived after a heart transplant is 24 years.
Did you know?
The familiar sounds of your heart are made by the heart's valves as they open and close.