The average adult has about 21 square feet of skin.
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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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One way to reduce acid reflux is to lose two or three pounds. Most people lose weight in the belly area first when they increase exercise, meaning that heartburn can be reduced quickly by this method.
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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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There are approximately 3 million unintended pregnancies in the United States each year.
Smallest chameleon in the World
Distribution of the Old World monkeys.
World Distribution of Temperature
Globalization and Diversity: Geography of a Changing World, 4th Edition