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Did you know?
Excessive alcohol use costs the country approximately $235 billion every year.
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If all the neurons in the human body were lined up, they would stretch more than 600 miles.
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Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.
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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
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Cocaine was isolated in 1860 and first used as a local anesthetic in 1884. Its first clinical use was by Sigmund Freud to wean a patient from morphine addiction. The fictional character Sherlock Holmes was supposed to be addicted to cocaine by injection.