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Did you know?
There are more nerve cells in one human brain than there are stars in the Milky Way.
Did you know?
Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).
Did you know?
Vaccines prevent between 2.5 and 4 million deaths every year.
Did you know?
The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.
Did you know?
Individuals are never “cured” of addictions. Instead, they learn how to manage their disease to lead healthy, balanced lives.