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Did you know?
During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.
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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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As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.
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People about to have surgery must tell their health care providers about all supplements they take.
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The familiar sounds of your heart are made by the heart's valves as they open and close.