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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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About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.
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There are more bacteria in your mouth than there are people in the world.
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The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.
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According to the Migraine Research Foundation, migraines are the third most prevalent illness in the world. Women are most affected (18%), followed by children of both sexes (10%), and men (6%).