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Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.
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The human body produces and destroys 15 million blood cells every second.
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The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
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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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It is difficult to obtain enough calcium without consuming milk or other dairy foods.