One of the most deadly cancers, colon cancer, also happens to be one of the most preventable types of cancer because it can take up to 10 years for pre-cancerous colon polyps to turn malignant. Unfortunately, the invasive nature of colonoscopy, coupled with the fact that not everyone who should be screened for colon cancer has easy access to a gastroenterologist, means that only a fraction of the at-risk population is screened for the disease.