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Asthma cases in Americans are about 75% higher today than they were in 1980.
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There are 20 feet of blood vessels in each square inch of human skin.
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The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.
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It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.
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There are more nerve cells in one human brain than there are stars in the Milky Way.