Blood testing can be used to detect colorectal cancers, the American Cancer Society said on May 27.
The society recommends regular screening for colorectal cancer for most people starting at age 45.
In an update to screening recommendations, the group kept in place its preference for colonoscopies, procedures in which doctors examine a patient’s bowels while the person is under anesthesia. Under the guidance, colonoscopies should be performed every 10 years.
People who opt against a colonoscopy should either choose a different visual exam, such as one using X-ray technology, or stool-based tests, according to the society.
People who do not undergo visual exams or stool-based tests can have a blood test instead….