Researchers found the fecal immunochemical test (FIT) is able to detect 79 percent of colorectal cancers without making people change their diets or stop taking their medications, as some other screening tests require. “It’s more user friendly for the patient,” Dr. Jeffrey Lee told Reuters Health. Lee, from the University of California, San Francisco and Kaiser Permanente Northern California Division of Research, led the analysis. Colon cancer is the second leading cause of cancer-related deaths in the U.S., according to the Centers for Disease Control and Prevention (CDC).