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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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When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
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Anti-aging claims should not ever be believed. There is no supplement, medication, or any other substance that has been proven to slow or stop the aging process.
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Your chance of developing a kidney stone is 1 in 10. In recent years, approximately 3.7 million people in the United States were diagnosed with a kidney disease.
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About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.