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The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
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Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%
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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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More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.
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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.