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Did you know?
Approximately 500,000 babies are born each year in the United States to teenage mothers.
Did you know?
In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).
Did you know?
Vaccines prevent between 2.5 and 4 million deaths every year.
Did you know?
There are more nerve cells in one human brain than there are stars in the Milky Way.
Did you know?
When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.