Uh, You Should Think Twice Before Opting Out of a CT Scan Because You're Worried About Cancer / Study highlights cancer risk from millions of CT scans performed annually / VA research brought CT scans and pacemakers into the world. Now it's at risk of cuts / New research finds CT scans can cause cancer. Here's what to know / CT scans could cause 5% of cancers, study finds; experts note uncertainty / Some CT scans may have too much radiation, researchers say / CT Scanners Are Being Used on Trading Cards. It's Causing a 'Moral Dilemma.' / A fast and flexible approach to help doctors annotate medical scans / Some of Canada's airports are getting CT scanners. Here's why