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Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.

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Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).

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Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.

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Anesthesia awareness is a potentially disturbing adverse effect wherein patients who have been paralyzed with muscle relaxants may awaken. They may be aware of their surroundings but unable to communicate or move. Neurologic monitoring equipment that helps to more closely check the patient's anesthesia stages is now available to avoid the occurrence of anesthesia awareness.

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The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

The mark-recapture technique is often used to estimate population size. The mark-recapture technique is often used to estimate population size.
The Dugong is an endangered species; the largest remaining population is found in Australian waters The Dugong is an endangered species; the largest remaining population is found in Australian waters
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Population and Settlement Population and Settlement
Population and Community Health Nursing, 6th Edition Population and Community Health Nursing, 6th Edition
Video: Anatomy and Chemical Makeup of a Single Hair (Animation)

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