Screening has prevented half a million colorectal cancers

An estimated half a million cancers were prevented by colorectal cancer screening in the United States from 1976 to 2009, report researchers. During this more than 30-year time span, as increasing numbers of men and women underwent cancer screening tests -- including fecal occult blood testing, sigmoidoscopies, and colonoscopies -- colorectal cancer rates declined significantly, the researchers found.
Source: ScienceDaily Headlines - Category: Science Source Type: news