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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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Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.
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In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.
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Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.
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Cyanide works by making the human body unable to use oxygen.