The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
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More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.
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This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
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Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.
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The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.