The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."
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Street names for barbiturates include reds, red devils, yellow jackets, blue heavens, Christmas trees, and rainbows. They are commonly referred to as downers.
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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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In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.
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On average, the stomach produces 2 L of hydrochloric acid per day.
Deformation in human bones caused by (a) rickets and (b) osteoporosis.