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Today, nearly 8 out of 10 pregnant women living with HIV (about 1.1 million), receive antiretrovirals.
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The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
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If all the neurons in the human body were lined up, they would stretch more than 600 miles.
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If you could remove all of your skin, it would weigh up to 5 pounds.
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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.