It is difficult to obtain enough calcium without consuming milk or other dairy foods.
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The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.
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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
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According to the Migraine Research Foundation, migraines are the third most prevalent illness in the world. Women are most affected (18%), followed by children of both sexes (10%), and men (6%).
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Illicit drug use costs the United States approximately $181 billion every year.
The principal components of a spectrophotometer
False-color imagery of the Sun, a G-type main-sequence star, the closest to Earth.
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William Kentridge, History of the Main Complaint.
Example of Index entry with Main Term and indented subterms.
Five layers or sheaths called koshas in Ayurvedic philosophy.