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People about to have surgery must tell their health care providers about all supplements they take.
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People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.
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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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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
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Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.