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After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.
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Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.
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Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.
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Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.
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The horizontal fraction bar was introduced by the Arabs.