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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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Approximately one in four people diagnosed with diabetes will develop foot problems. Of these, about one-third will require lower extremity amputation.
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Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.
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Everyone has one nostril that is larger than the other.
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Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.