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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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The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.
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Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.
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You should not take more than 1,000 mg of vitamin E per day. Doses above this amount increase the risk of bleeding problems that can lead to a stroke.
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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.