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Did you know?
There are more bacteria in your mouth than there are people in the world.
Did you know?
The average office desk has 400 times more bacteria on it than a toilet.
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Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.
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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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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.