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Did you know?
Human kidneys will clean about 1 million gallons of blood in an average lifetime.
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The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").
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The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.
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Approximately 500,000 babies are born each year in the United States to teenage mothers.
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There are actually 60 minerals, 16 vitamins, 12 essential amino acids, and three essential fatty acids that your body needs every day.