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Did you know?
Vaccines prevent between 2.5 and 4 million deaths every year.
Did you know?
People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.
Did you know?
There are more nerve cells in one human brain than there are stars in the Milky Way.
Did you know?
In 1864, the first barbiturate (barbituric acid) was synthesized.
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.