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The longest a person has survived after a heart transplant is 24 years.
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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
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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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The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.
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In 1844, Charles Goodyear obtained the first patent for a rubber condom.