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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.
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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 average adult has about 21 square feet of skin.
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On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.
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The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.