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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Historic treatments for rheumatoid arthritis have included gold salts, acupuncture, a diet consisting of apples or rhubarb, nutmeg, nettles, bee venom, bracelets made of copper, prayer, rest, tooth extractions, fasting, honey, vitamins, insulin, snow collected on Christmas, magnets, and electric convulsion therapy.
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The average office desk has 400 times more bacteria on it than a toilet.
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On average, the stomach produces 2 L of hydrochloric acid per day.
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Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.