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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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Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.
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The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.
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The average adult has about 21 square feet of skin.
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Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.