Published in Cancer Weekly, August 24th, 1998
Such colon cancer screening is often recommended for all Americans over the age of 50. The test uses guaiacum, a substance derived from tropical trees that reacts with substances in blood and turns blue.
Physicians have debated the effectiveness of the guaiac test, which detects the presence of occult, or hidden, blood in the feces. On one hand, several large studies have demonstrated that the test saves lives by finding cancers early. But many patients with...
Want to see the full article?
Welcome to NewsRx!
Learn more about a six-week, no-risk free trial of Cancer Weekly
NewsRx also is available at LexisNexis, Gale, ProQuest, Factiva, Dialog, Thomson Reuters, NewsEdge, and Dow Jones.