There are 60,000 miles of blood vessels in every adult human.
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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.
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Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.
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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
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About 100 new prescription or over-the-counter drugs come into the U.S. market every year.
Bronfenbrenner’s model of the ecological-systems approach to studying development. He suggested that
Secondary School Enrollment Worldwide
Graduating High School
OraQuick. A negative result would show a red line at the "C" mark, whereas a positive ...
Soils support plant growth through ion exchange
Estimated number of new HIV infections per year over time period in Canada