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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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Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.
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Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.
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More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.
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Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.