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Did you know?
Approximately 500,000 babies are born each year in the United States to teenage mothers.
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Your heart beats over 36 million times a year.
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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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To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.
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The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.