Human kidneys will clean about 1 million gallons of blood in an average lifetime.
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The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.
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For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.
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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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The horizontal fraction bar was introduced by the Arabs.
Plant Cell
Plant
Cultures Ideal Body Types
Growth cones. The cytoplasmic fingers (the filopodia) of growth cones seem to grope for the correct ...