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Did you know?
If all the neurons in the human body were lined up, they would stretch more than 600 miles.
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Human kidneys will clean about 1 million gallons of blood in an average lifetime.
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Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.
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People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.
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In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.