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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.
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According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.
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Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.
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There are 20 feet of blood vessels in each square inch of human skin.
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On average, the stomach produces 2 L of hydrochloric acid per day.