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The horizontal fraction bar was introduced by the Arabs.
More than 4.4billion prescriptions were dispensed within the United States in 2016.
Asthma cases in Americans are about 75% higher today than they were in 1980.
Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.
The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
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