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Did you know?
The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
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This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
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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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Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.
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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.