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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.

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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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More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.

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More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.

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More than 4.4billion prescriptions were dispensed within the United States in 2016.

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