Colon cancer is one of the most preventable cancers, yet it is also one of the deadliest forms of the disease. In this episode, we speak with Graham Lidgard, the Chief Science Officer, Senior Vice President of Research and Development at Exact Sciences, a Wisc. -based company that has developed a non invasive test to detect colorectal cancer without having to undergo a colonoscopy. We talk to Graham about the Cologuard test and his 40 year career developing breakthrough medical technology.