Colon cancer is often detected in its earliest stages thanks in part to screening technologies like colonoscopy. By snaking a camera through a patient’s intestines, doctors can identify polyps and other abnormal growths that could eventually become cancerous then remove them before they do. Many lives are saved each year because of this sort of routine screening.  However, the procedure can also be expensive and … Continue reading New nanotech contrast enables blood test for precancerous growth in colon cancer.