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Illicit drug use costs the United States approximately $181 billion every year.
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The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
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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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Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.
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Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.