Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.
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Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%
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Asthma cases in Americans are about 75% higher today than they were in 1980.
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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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Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.
Approach used to determine the evolutionary relationships among many animal species using molecular
Recently discovered species Tersicoccus phoenici under microscope
How to determine the interquartile range
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