Ally McCoist has revealed he suffers from a incurable disease called Dupuytren's contracture, which is also known as 'Viking's disease'. The Rangers legend opened up on the condition, and detailed how two operations had been unable to spare him from the effects. Both of McCoist 's parents suffered from the hereditary disease which sees one or more fingers to curl towards the palm or pull sideways. Dupuytren's causes an abnormal thickening of skin on the palm of your hand, at the base of your