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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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More than one-third of adult Americans are obese. Diseases that kill the largest number of people annually, such as heart disease, cancer, diabetes, stroke, and hypertension, can be attributed to diet.
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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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In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.
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Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.