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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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Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.
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Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.
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Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.
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The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.
![The conduction system of the heart; traces the path of the electrical impulse that stimulates the he](https://biology-forums.com/gallery/47/medium_14755_10_09_12_7_22_09_85202259.jpeg)
![Charles Darwin may be dead and gone but a recent write-in campaign has pitted him against Republican](https://biology-forums.com/gallery/47/medium_4_20_10_12_12_49_12_9506391.jpeg)