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Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.
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Approximately 500,000 babies are born each year in the United States to teenage mothers.
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The average office desk has 400 times more bacteria on it than a toilet.
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Walt Disney helped combat malaria by making an animated film in 1943 called The Winged Scourge. This short film starred the seven dwarfs and taught children that mosquitos transmit malaria, which is a very bad disease. It advocated the killing of mosquitos to stop the disease.
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Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.