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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
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Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.
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There are 20 feet of blood vessels in each square inch of human skin.
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Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.
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The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.