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The most common childhood diseases include croup, chickenpox, ear infections, flu, pneumonia, ringworm, respiratory syncytial virus, scabies, head lice, and asthma.
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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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The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.
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Cyanide works by making the human body unable to use oxygen.
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People about to have surgery must tell their health care providers about all supplements they take.