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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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Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.
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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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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
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A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.