The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.
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Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.
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Medication errors are three times higher among children and infants than with adults.
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Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.
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On average, the stomach produces 2 L of hydrochloric acid per day.
A simulated-color map of the surface of Venus as measured by synthetic aperture radar on the Magella
Question
How to solve word problems with two unknowns (Question 2)