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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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Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.
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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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Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.
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On average, the stomach produces 2 L of hydrochloric acid per day.