This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
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As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.
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The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.
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The average adult has about 21 square feet of skin.
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Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.
Saturn’s Diverse Moons
Bilingualism in the United States
Many adults in the United States have met “heart healthy” goals for nine targeted lifestyle ...
Examples of Muds and Clays from the United States and Around the World