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Did you know?
This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
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The human body produces and destroys 15 million blood cells every second.
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Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
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On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.
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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.