Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.
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Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.
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Approximately 25% of all reported medication errors result from some kind of name confusion.
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The horizontal fraction bar was introduced by the Arabs.
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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.
Body plan of an echinoderm, as represented by a sea star.
Muscles of the Body, Posterior View
Organisms can be classified according to their source of energy
Human Body Glands and Hormones
Potential energy Vs. Kinetic energy
Estimates of carbon stored in the plants and soils of different ecosystems.