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Author Question: If the correlation between X and Y is zero, and the correlation between X and Z is zero, then the ... (Read 12 times) |
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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 tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.
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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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Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.
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More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.