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Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.
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The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").
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Approximately 500,000 babies are born each year in the United States to teenage mothers.
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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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Cyanide works by making the human body unable to use oxygen.