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Did you know?
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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Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.
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The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
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In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.
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Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.