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Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.
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In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.
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The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.
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The training of an anesthesiologist typically requires four years of college, 4 years of medical school, 1 year of internship, and 3 years of residency.
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The familiar sounds of your heart are made by the heart's valves as they open and close.
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![Brushing off to finish-front. Move to the front and place the person’s hands on his or her knees. ...](https://biology-forums.com/gallery/33/medium_380798_23_08_17_11_07_34_336042444.jpeg)