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Did you know?

Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.

Did you know?

Blood is approximately twice as thick as water because of the cells and other components found in it.

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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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People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.

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Approximately 25% of all reported medication errors result from some kind of name confusion.

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Video: Complement Proteins Animation

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