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Methicillin-resistant Staphylococcus aureus or MRSA was discovered in 1961 in the United Kingdom. It if often referred to as a superbug. MRSA infections cause more deaths in the United States every year than AIDS.
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In 1864, the first barbiturate (barbituric acid) was synthesized.
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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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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
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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.