Colbert ended his show late last year for a move to David Lettermanâs job at CBS. Other correspondents whose roles on the show shot them to stardom include actor Steve Carell and comedian John Oliver, who just started the second season of his HBO show Last Week Tonight.
3. Blood Disorders. Blood disorders such as hemophilia and leukemia can cause unexplained bruising, often because your blood fails to clot properly. If you have severe and frequent unexplained bruising, it's a good idea to see a physician to rule out such disorders, especially if it seemed to come on suddenly.
Easy bruising sometimes indicates a serious underlying condition, such as a blood-clotting problem or a blood disease. See your doctor if you: Have frequent, large bruises, especially if your bruises appear on your trunk, back or face, or seem to develop for no known reasons. Have easy bruising and a history of significant bleeding, such as during a surgical procedure.