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There are more nerve cells in one human brain than there are stars in the Milky Way.
Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%
On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.
Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.
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).