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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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More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.
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There are more bacteria in your mouth than there are people in the world.
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Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.
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Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.