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Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.
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In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.
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Excessive alcohol use costs the country approximately $235 billion every year.
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Vaccines prevent between 2.5 and 4 million deaths every year.
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Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).