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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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About 100 new prescription or over-the-counter drugs come into the U.S. market every year.
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The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").
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Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.
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The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.