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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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Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).
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The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
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People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.
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Blood is approximately twice as thick as water because of the cells and other components found in it.