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Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.
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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
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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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Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.
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The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").