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In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.
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The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.
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It is difficult to obtain enough calcium without consuming milk or other dairy foods.
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The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.
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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.