A study questioning colonoscopy screening’s benefits has big caveats
Other studies have shown the effectiveness of the procedure, still recommended in the U.S.
![a person lying on a hospital bed with two medical professionals standing over them with various medical equipment](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2022/10/101822_ac_colonoscopy_feat.jpg?fit=1030%2C580&ssl=1)
Colonoscopies are a common screening test for colorectal cancer in the United States. There are important limitations to a recent study reporting that the procedure isn’t as effective at screening as previously thought.
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