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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
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On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.
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Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.
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The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.
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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.