A new blood test was found to detect colon cancer with more than 80% accuracy — and to rule it out for 90% of healthy people.The results were presented at the 2025 American Society of Clinical Oncology Gastrointestinal Cancers Symposium held in San Francisco late last month.They were also published in the Journal of Clinical Oncology.WOMAN WITH CANCER REVEALS THE DIET THAT SHE SAYS SAVED HER LIFEIn the study, more than 27,000 adults between 45 and 85 had their blood drawn before undergoing a colonoscopy to screen for signs of cancer. The participants were enrolled between May 2020 and April 2022.Researchers