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Vaccines prevent between 2.5 and 4 million deaths every year.
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Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.
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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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The longest a person has survived after a heart transplant is 24 years.
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No drugs are available to relieve parathyroid disease. Parathyroid disease is caused by a parathyroid tumor, and it needs to be removed by surgery.