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Did you know?
Glaucoma is a leading cause of blindness. As of yet, there is no cure. Everyone is at risk, and there may be no warning signs. It is six to eight times more common in African Americans than in whites. The best and most effective way to detect glaucoma is to receive a dilated eye examination.
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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
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The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.
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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
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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.