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Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.
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Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.
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Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.
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After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.
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Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.