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Author Question: Two people, each of 70 kg mass, are riding in an elevator. One is standing on the floor. The other ... (Read 120 times) |
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Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.
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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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There are more nerve cells in one human brain than there are stars in the Milky Way.
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The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.
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People about to have surgery must tell their health care providers about all supplements they take.