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In 1864, the first barbiturate (barbituric acid) was synthesized.
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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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The horizontal fraction bar was introduced by the Arabs.
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Complications of influenza include: bacterial pneumonia, ear and sinus infections, dehydration, and worsening of chronic conditions such as asthma, congestive heart failure, or diabetes.
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This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.