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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.
There are approximately 3 million unintended pregnancies in the United States each year.
People about to have surgery must tell their health care providers about all supplements they take.
If all the neurons in the human body were lined up, they would stretch more than 600 miles.
Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.
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