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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.
Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.
There are more nerve cells in one human brain than there are stars in the Milky Way.
About 100 new prescription or over-the-counter drugs come into the U.S. market every year.
Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%
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