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Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.
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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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Blood is approximately twice as thick as water because of the cells and other components found in it.
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Thyroid conditions may make getting pregnant impossible.
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Asthma cases in Americans are about 75% higher today than they were in 1980.