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Did you know?
The horizontal fraction bar was introduced by the Arabs.
Did you know?
Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.
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About 100 new prescription or over-the-counter drugs come into the U.S. market every year.
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Asthma cases in Americans are about 75% higher today than they were in 1980.
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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.