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A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.
The average office desk has 400 times more bacteria on it than a toilet.
People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.
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.
Cocaine was isolated in 1860 and first used as a local anesthetic in 1884. Its first clinical use was by Sigmund Freud to wean a patient from morphine addiction. The fictional character Sherlock Holmes was supposed to be addicted to cocaine by injection.