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.
Arms and legs are the most common place for bruises. Generally, harder blows cause larger bruises. However, if you bruise easily, a minor bump â one you might not even notice â can result in quite a bit of discoloration. Certain people are simply more prone to bruising, which should not be cause for concern. Also, bruising easily can result from the aging process.