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In most climates, 8 to 10 glasses of water per day is recommended for adults. The best indicator for adequate fluid intake is frequent, clear urination.

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The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.

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In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.

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When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

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The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.

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