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Fecal Occult Blood Test
/ˈfiːkəl əˈkʌlt blʌd tɛst/noun
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A diagnostic procedure that detects hidden blood in stool samples, often indicating potential issues like colorectal cancer or gastrointestinal bleeding. This non-invasive test has become a cornerstone of routine health screenings, saving lives through early detection while being simple enough for at-home use in modern healthcare routines.
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This test, introduced in the 1960s, has been credited with reducing colorectal cancer mortality by up to 33% in screened populations, according to studies from the American Cancer Society, by catching the disease at its most treatable stage—often before symptoms appear, potentially saving over a million lives worldwide since its widespread adoption.
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