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Did you know?
Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.
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Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).
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Blood is approximately twice as thick as water because of the cells and other components found in it.
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Human kidneys will clean about 1 million gallons of blood in an average lifetime.
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Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%