The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
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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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Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%
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Medication errors are more common among seriously ill patients than with those with minor conditions.
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There are more sensory neurons in the tongue than in any other part of the body.