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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
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This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
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More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.
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According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.
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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.