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Asthma cases in Americans are about 75% higher today than they were in 1980.
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More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.
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On average, the stomach produces 2 L of hydrochloric acid per day.
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Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.
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As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.