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Did you know?
Asthma cases in Americans are about 75% higher today than they were in 1980.
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.
Did you know?
The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.
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).

