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The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").
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Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.
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Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
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The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
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Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.